Home / 237,068.68-327,155.10-129,638.38

Finding the Fourth Proportional to 237,068.68, 327,155.10 and 129,638.38

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Solution

The fourth proportional to 237,068.68, 327,155.10 and 129,638.38 is: 178,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,068.68 : 327,155.10 = 129,638.38 : x
  2. Step 2: Convert to fraction form
    237,068.68/327,155.10 = 129,638.38/x
  3. Step 3: Cross multiply
    237,068.68x = 327,155.10 × 129,638.38
  4. Step 4: Simplify right side
    237,068.68x = 42,411,857,172.74
  5. Step 5: Solve for x
    x = 42,411,857,172.74/237,068.68
  6. Step 6: Final answer
    x = 178,901.14

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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.