Home / 221,588.10-332,382.15-63,821.70

Finding the Fourth Proportional to 221,588.10, 332,382.15 and 63,821.70

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Solution

The fourth proportional to 221,588.10, 332,382.15 and 63,821.70 is: 95,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,588.10 : 332,382.15 = 63,821.70 : x
  2. Step 2: Convert to fraction form
    221,588.10/332,382.15 = 63,821.70/x
  3. Step 3: Cross multiply
    221,588.10x = 332,382.15 × 63,821.70
  4. Step 4: Simplify right side
    221,588.10x = 21,213,193,862.66
  5. Step 5: Solve for x
    x = 21,213,193,862.66/221,588.10
  6. Step 6: Final answer
    x = 95,732.55

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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.