Home / 137,715.10-206,572.65-132,903.70

Finding the Fourth Proportional to 137,715.10, 206,572.65 and 132,903.70

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Solution

The fourth proportional to 137,715.10, 206,572.65 and 132,903.70 is: 199,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,715.10 : 206,572.65 = 132,903.70 : x
  2. Step 2: Convert to fraction form
    137,715.10/206,572.65 = 132,903.70/x
  3. Step 3: Cross multiply
    137,715.10x = 206,572.65 × 132,903.70
  4. Step 4: Simplify right side
    137,715.10x = 27,454,269,503.81
  5. Step 5: Solve for x
    x = 27,454,269,503.81/137,715.10
  6. Step 6: Final answer
    x = 199,355.55

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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.