Home / 133,965.18-200,947.65-40,470.90

Finding the Fourth Proportional to 133,965.18, 200,947.65 and 40,470.90

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Solution

The fourth proportional to 133,965.18, 200,947.65 and 40,470.90 is: 60,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,965.18 : 200,947.65 = 40,470.90 : x
  2. Step 2: Convert to fraction form
    133,965.18/200,947.65 = 40,470.90/x
  3. Step 3: Cross multiply
    133,965.18x = 200,947.65 × 40,470.90
  4. Step 4: Simplify right side
    133,965.18x = 8,132,532,248.39
  5. Step 5: Solve for x
    x = 8,132,532,248.39/133,965.18
  6. Step 6: Final answer
    x = 60,706.31

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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.