Home / 129,306.38-193,959.56-35,812.13

Finding the Fourth Proportional to 129,306.38, 193,959.56 and 35,812.13

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Solution

The fourth proportional to 129,306.38, 193,959.56 and 35,812.13 is: 53,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,306.38 : 193,959.56 = 35,812.13 : x
  2. Step 2: Convert to fraction form
    129,306.38/193,959.56 = 35,812.13/x
  3. Step 3: Cross multiply
    129,306.38x = 193,959.56 × 35,812.13
  4. Step 4: Simplify right side
    129,306.38x = 6,946,104,097.20
  5. Step 5: Solve for x
    x = 6,946,104,097.20/129,306.38
  6. Step 6: Final answer
    x = 53,718.19

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1.5x scale

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.