Home / 374,253.56-516,470.20-202,171.50

Finding the Fourth Proportional to 374,253.56, 516,470.20 and 202,171.50

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Solution

The fourth proportional to 374,253.56, 516,470.20 and 202,171.50 is: 278,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,253.56 : 516,470.20 = 202,171.50 : x
  2. Step 2: Convert to fraction form
    374,253.56/516,470.20 = 202,171.50/x
  3. Step 3: Cross multiply
    374,253.56x = 516,470.20 × 202,171.50
  4. Step 4: Simplify right side
    374,253.56x = 104,415,555,039.30
  5. Step 5: Solve for x
    x = 104,415,555,039.30/374,253.56
  6. Step 6: Final answer
    x = 278,996.83

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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.