is $291 possible or $31 and $54 is enough?

crab harmonic pattern:
AB=0.61 XA
BC=0.38 AB
0.78 XA=$0.93
0.88 XA=$1.52
1.6 BC=$3.34
1.13 XA=$5
2 BC=$7.84
2.24 BC=$13.4
1.41 XA=$19.63
2.6 BC=$31
1.6 XA=$54
3.6 BC=$291