Home / 384,890.05-577,191.49-132,098.81

Finding the Fourth Proportional to 384,890.05, 577,191.49 and 132,098.81

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Solution

The fourth proportional to 384,890.05, 577,191.49 and 132,098.81 is: 198,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,890.05 : 577,191.49 = 132,098.81 : x
  2. Step 2: Convert to fraction form
    384,890.05/577,191.49 = 132,098.81/x
  3. Step 3: Cross multiply
    384,890.05x = 577,191.49 × 132,098.81
  4. Step 4: Simplify right side
    384,890.05x = 76,246,305,754.92
  5. Step 5: Solve for x
    x = 76,246,305,754.92/384,890.05
  6. Step 6: Final answer
    x = 198,098.93

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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.