Home / 189,505.85-284,407.33-132,207.13

Finding the Fourth Proportional to 189,505.85, 284,407.33 and 132,207.13

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Solution

The fourth proportional to 189,505.85, 284,407.33 and 132,207.13 is: 198,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,505.85 : 284,407.33 = 132,207.13 : x
  2. Step 2: Convert to fraction form
    189,505.85/284,407.33 = 132,207.13/x
  3. Step 3: Cross multiply
    189,505.85x = 284,407.33 × 132,207.13
  4. Step 4: Simplify right side
    189,505.85x = 37,600,676,850.26
  5. Step 5: Solve for x
    x = 37,600,676,850.26/189,505.85
  6. Step 6: Final answer
    x = 198,414.34

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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.