Home / 372,997.20-559,568.70-148,319.40

Finding the Fourth Proportional to 372,997.20, 559,568.70 and 148,319.40

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Solution

The fourth proportional to 372,997.20, 559,568.70 and 148,319.40 is: 222,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,997.20 : 559,568.70 = 148,319.40 : x
  2. Step 2: Convert to fraction form
    372,997.20/559,568.70 = 148,319.40/x
  3. Step 3: Cross multiply
    372,997.20x = 559,568.70 × 148,319.40
  4. Step 4: Simplify right side
    372,997.20x = 82,994,893,842.78
  5. Step 5: Solve for x
    x = 82,994,893,842.78/372,997.20
  6. Step 6: Final answer
    x = 222,508.09

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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.