Home / 411,747.68-617,329.92-158,815.46

Finding the Fourth Proportional to 411,747.68, 617,329.92 and 158,815.46

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Solution

The fourth proportional to 411,747.68, 617,329.92 and 158,815.46 is: 238,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,747.68 : 617,329.92 = 158,815.46 : x
  2. Step 2: Convert to fraction form
    411,747.68/617,329.92 = 158,815.46/x
  3. Step 3: Cross multiply
    411,747.68x = 617,329.92 × 158,815.46
  4. Step 4: Simplify right side
    411,747.68x = 98,041,535,216.56
  5. Step 5: Solve for x
    x = 98,041,535,216.56/411,747.68
  6. Step 6: Final answer
    x = 238,110.72

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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.