Home / 156,710.82-216,258.70-88,726.03

Finding the Fourth Proportional to 156,710.82, 216,258.70 and 88,726.03

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Solution

The fourth proportional to 156,710.82, 216,258.70 and 88,726.03 is: 122,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,710.82 : 216,258.70 = 88,726.03 : x
  2. Step 2: Convert to fraction form
    156,710.82/216,258.70 = 88,726.03/x
  3. Step 3: Cross multiply
    156,710.82x = 216,258.70 × 88,726.03
  4. Step 4: Simplify right side
    156,710.82x = 19,187,775,903.96
  5. Step 5: Solve for x
    x = 19,187,775,903.96/156,710.82
  6. Step 6: Final answer
    x = 122,440.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.