Home / 156,159.27-234,140.48-132,475.12

Finding the Fourth Proportional to 156,159.27, 234,140.48 and 132,475.12

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Solution

The fourth proportional to 156,159.27, 234,140.48 and 132,475.12 is: 198,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,159.27 : 234,140.48 = 132,475.12 : x
  2. Step 2: Convert to fraction form
    156,159.27/234,140.48 = 132,475.12/x
  3. Step 3: Cross multiply
    156,159.27x = 234,140.48 × 132,475.12
  4. Step 4: Simplify right side
    156,159.27x = 31,017,786,351.78
  5. Step 5: Solve for x
    x = 31,017,786,351.78/156,159.27
  6. Step 6: Final answer
    x = 198,629.18

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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.