Home / 372,996.12-514,720.20-203,231.52

Finding the Fourth Proportional to 372,996.12, 514,720.20 and 203,231.52

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Solution

The fourth proportional to 372,996.12, 514,720.20 and 203,231.52 is: 280,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,996.12 : 514,720.20 = 203,231.52 : x
  2. Step 2: Convert to fraction form
    372,996.12/514,720.20 = 203,231.52/x
  3. Step 3: Cross multiply
    372,996.12x = 514,720.20 × 203,231.52
  4. Step 4: Simplify right side
    372,996.12x = 104,607,368,620.70
  5. Step 5: Solve for x
    x = 104,607,368,620.70/372,996.12
  6. Step 6: Final answer
    x = 280,451.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.