Home / 146,948.70-220,480.65-53,463.90

Finding the Fourth Proportional to 146,948.70, 220,480.65 and 53,463.90

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Solution

The fourth proportional to 146,948.70, 220,480.65 and 53,463.90 is: 80,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,948.70 : 220,480.65 = 53,463.90 : x
  2. Step 2: Convert to fraction form
    146,948.70/220,480.65 = 53,463.90/x
  3. Step 3: Cross multiply
    146,948.70x = 220,480.65 × 53,463.90
  4. Step 4: Simplify right side
    146,948.70x = 11,787,755,423.54
  5. Step 5: Solve for x
    x = 11,787,755,423.54/146,948.70
  6. Step 6: Final answer
    x = 80,216.81

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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.