Home / 132,308.64-198,466.20-38,814.12

Finding the Fourth Proportional to 132,308.64, 198,466.20 and 38,814.12

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Solution

The fourth proportional to 132,308.64, 198,466.20 and 38,814.12 is: 58,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.64 : 198,466.20 = 38,814.12 : x
  2. Step 2: Convert to fraction form
    132,308.64/198,466.20 = 38,814.12/x
  3. Step 3: Cross multiply
    132,308.64x = 198,466.20 × 38,814.12
  4. Step 4: Simplify right side
    132,308.64x = 7,703,290,902.74
  5. Step 5: Solve for x
    x = 7,703,290,902.74/132,308.64
  6. Step 6: Final answer
    x = 58,222.13

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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.