Home / 147,432.72-221,092.97-52,645.26

Finding the Fourth Proportional to 147,432.72, 221,092.97 and 52,645.26

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Solution

The fourth proportional to 147,432.72, 221,092.97 and 52,645.26 is: 78,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,432.72 : 221,092.97 = 52,645.26 : x
  2. Step 2: Convert to fraction form
    147,432.72/221,092.97 = 52,645.26/x
  3. Step 3: Cross multiply
    147,432.72x = 221,092.97 × 52,645.26
  4. Step 4: Simplify right side
    147,432.72x = 11,639,496,626.60
  5. Step 5: Solve for x
    x = 11,639,496,626.60/147,432.72
  6. Step 6: Final answer
    x = 78,947.85

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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.