Home / 221,069.92-331,535.76-96,285.28

Finding the Fourth Proportional to 221,069.92, 331,535.76 and 96,285.28

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Solution

The fourth proportional to 221,069.92, 331,535.76 and 96,285.28 is: 144,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,069.92 : 331,535.76 = 96,285.28 : x
  2. Step 2: Convert to fraction form
    221,069.92/331,535.76 = 96,285.28/x
  3. Step 3: Cross multiply
    221,069.92x = 331,535.76 × 96,285.28
  4. Step 4: Simplify right side
    221,069.92x = 31,922,013,481.61
  5. Step 5: Solve for x
    x = 31,922,013,481.61/221,069.92
  6. Step 6: Final answer
    x = 144,397.82

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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.