Home / 132,213.96-198,305.82-38,729.16

Finding the Fourth Proportional to 132,213.96, 198,305.82 and 38,729.16

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Solution

The fourth proportional to 132,213.96, 198,305.82 and 38,729.16 is: 58,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,213.96 : 198,305.82 = 38,729.16 : x
  2. Step 2: Convert to fraction form
    132,213.96/198,305.82 = 38,729.16/x
  3. Step 3: Cross multiply
    132,213.96x = 198,305.82 × 38,729.16
  4. Step 4: Simplify right side
    132,213.96x = 7,680,217,831.71
  5. Step 5: Solve for x
    x = 7,680,217,831.71/132,213.96
  6. Step 6: Final answer
    x = 58,089.31

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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.