Home / 132,359.40-198,569.88-38,872.44

Finding the Fourth Proportional to 132,359.40, 198,569.88 and 38,872.44

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Solution

The fourth proportional to 132,359.40, 198,569.88 and 38,872.44 is: 58,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359.40 : 198,569.88 = 38,872.44 : x
  2. Step 2: Convert to fraction form
    132,359.40/198,569.88 = 38,872.44/x
  3. Step 3: Cross multiply
    132,359.40x = 198,569.88 × 38,872.44
  4. Step 4: Simplify right side
    132,359.40x = 7,718,895,746.11
  5. Step 5: Solve for x
    x = 7,718,895,746.11/132,359.40
  6. Step 6: Final answer
    x = 58,317.70

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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.