Home / 147,374.31-220,850.28-84,063.45

Finding the Fourth Proportional to 147,374.31, 220,850.28 and 84,063.45

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Solution

The fourth proportional to 147,374.31, 220,850.28 and 84,063.45 is: 125,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374.31 : 220,850.28 = 84,063.45 : x
  2. Step 2: Convert to fraction form
    147,374.31/220,850.28 = 84,063.45/x
  3. Step 3: Cross multiply
    147,374.31x = 220,850.28 × 84,063.45
  4. Step 4: Simplify right side
    147,374.31x = 18,565,436,470.27
  5. Step 5: Solve for x
    x = 18,565,436,470.27/147,374.31
  6. Step 6: Final answer
    x = 125,974.71

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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.