Home / 252,351.20-378,518.28-62,811.20

Finding the Fourth Proportional to 252,351.20, 378,518.28 and 62,811.20

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Solution

The fourth proportional to 252,351.20, 378,518.28 and 62,811.20 is: 94,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,351.20 : 378,518.28 = 62,811.20 : x
  2. Step 2: Convert to fraction form
    252,351.20/378,518.28 = 62,811.20/x
  3. Step 3: Cross multiply
    252,351.20x = 378,518.28 × 62,811.20
  4. Step 4: Simplify right side
    252,351.20x = 23,775,187,388.74
  5. Step 5: Solve for x
    x = 23,775,187,388.74/252,351.20
  6. Step 6: Final answer
    x = 94,214.68

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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.