Home / 372,917.40-559,376.10-231,199.80

Finding the Fourth Proportional to 372,917.40, 559,376.10 and 231,199.80

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Solution

The fourth proportional to 372,917.40, 559,376.10 and 231,199.80 is: 346,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,917.40 : 559,376.10 = 231,199.80 : x
  2. Step 2: Convert to fraction form
    372,917.40/559,376.10 = 231,199.80/x
  3. Step 3: Cross multiply
    372,917.40x = 559,376.10 × 231,199.80
  4. Step 4: Simplify right side
    372,917.40x = 129,327,642,444.78
  5. Step 5: Solve for x
    x = 129,327,642,444.78/372,917.40
  6. Step 6: Final answer
    x = 346,799.70

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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.