Home / 250,621.26-375,781.76-79,769.17

Finding the Fourth Proportional to 250,621.26, 375,781.76 and 79,769.17

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Solution

The fourth proportional to 250,621.26, 375,781.76 and 79,769.17 is: 119,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,621.26 : 375,781.76 = 79,769.17 : x
  2. Step 2: Convert to fraction form
    250,621.26/375,781.76 = 79,769.17/x
  3. Step 3: Cross multiply
    250,621.26x = 375,781.76 × 79,769.17
  4. Step 4: Simplify right side
    250,621.26x = 29,975,799,096.34
  5. Step 5: Solve for x
    x = 29,975,799,096.34/250,621.26
  6. Step 6: Final answer
    x = 119,605.97

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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.