Home / 252,342.75-378,327.29-152,479.56

Finding the Fourth Proportional to 252,342.75, 378,327.29 and 152,479.56

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Solution

The fourth proportional to 252,342.75, 378,327.29 and 152,479.56 is: 228,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,342.75 : 378,327.29 = 152,479.56 : x
  2. Step 2: Convert to fraction form
    252,342.75/378,327.29 = 152,479.56/x
  3. Step 3: Cross multiply
    252,342.75x = 378,327.29 × 152,479.56
  4. Step 4: Simplify right side
    252,342.75x = 57,687,177,952.79
  5. Step 5: Solve for x
    x = 57,687,177,952.79/252,342.75
  6. Step 6: Final answer
    x = 228,606.44

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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.