Home / 156,734.24-235,141.14-72,555.13

Finding the Fourth Proportional to 156,734.24, 235,141.14 and 72,555.13

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Solution

The fourth proportional to 156,734.24, 235,141.14 and 72,555.13 is: 108,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734.24 : 235,141.14 = 72,555.13 : x
  2. Step 2: Convert to fraction form
    156,734.24/235,141.14 = 72,555.13/x
  3. Step 3: Cross multiply
    156,734.24x = 235,141.14 × 72,555.13
  4. Step 4: Simplify right side
    156,734.24x = 17,060,695,981.05
  5. Step 5: Solve for x
    x = 17,060,695,981.05/156,734.24
  6. Step 6: Final answer
    x = 108,851.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.