Home / 177,837.90-266,965.20-140,423.19

Finding the Fourth Proportional to 177,837.90, 266,965.20 and 140,423.19

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Solution

The fourth proportional to 177,837.90, 266,965.20 and 140,423.19 is: 210,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,837.90 : 266,965.20 = 140,423.19 : x
  2. Step 2: Convert to fraction form
    177,837.90/266,965.20 = 140,423.19/x
  3. Step 3: Cross multiply
    177,837.90x = 266,965.20 × 140,423.19
  4. Step 4: Simplify right side
    177,837.90x = 37,488,105,002.99
  5. Step 5: Solve for x
    x = 37,488,105,002.99/177,837.90
  6. Step 6: Final answer
    x = 210,799.30

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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.