Home / 339,125.20-508,687.80-117,531.60

Finding the Fourth Proportional to 339,125.20, 508,687.80 and 117,531.60

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Solution

The fourth proportional to 339,125.20, 508,687.80 and 117,531.60 is: 176,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,125.20 : 508,687.80 = 117,531.60 : x
  2. Step 2: Convert to fraction form
    339,125.20/508,687.80 = 117,531.60/x
  3. Step 3: Cross multiply
    339,125.20x = 508,687.80 × 117,531.60
  4. Step 4: Simplify right side
    339,125.20x = 59,786,891,034.48
  5. Step 5: Solve for x
    x = 59,786,891,034.48/339,125.20
  6. Step 6: Final answer
    x = 176,297.40

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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.