Home / 359,621.10-539,371.17-131,869.62

Finding the Fourth Proportional to 359,621.10, 539,371.17 and 131,869.62

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Solution

The fourth proportional to 359,621.10, 539,371.17 and 131,869.62 is: 197,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,621.10 : 539,371.17 = 131,869.62 : x
  2. Step 2: Convert to fraction form
    359,621.10/539,371.17 = 131,869.62/x
  3. Step 3: Cross multiply
    359,621.10x = 539,371.17 × 131,869.62
  4. Step 4: Simplify right side
    359,621.10x = 71,126,671,226.86
  5. Step 5: Solve for x
    x = 71,126,671,226.86/359,621.10
  6. Step 6: Final answer
    x = 197,782.25

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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.