Home / 129,189.38-193,787.69-35,695.13

Finding the Fourth Proportional to 129,189.38, 193,787.69 and 35,695.13

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Solution

The fourth proportional to 129,189.38, 193,787.69 and 35,695.13 is: 53,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,189.38 : 193,787.69 = 35,695.13 : x
  2. Step 2: Convert to fraction form
    129,189.38/193,787.69 = 35,695.13/x
  3. Step 3: Cross multiply
    129,189.38x = 193,787.69 × 35,695.13
  4. Step 4: Simplify right side
    129,189.38x = 6,917,275,639.54
  5. Step 5: Solve for x
    x = 6,917,275,639.54/129,189.38
  6. Step 6: Final answer
    x = 53,543.69

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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.