Home / 252,303.11-378,456.38-62,763.69

Finding the Fourth Proportional to 252,303.11, 378,456.38 and 62,763.69

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Solution

The fourth proportional to 252,303.11, 378,456.38 and 62,763.69 is: 94,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,303.11 : 378,456.38 = 62,763.69 : x
  2. Step 2: Convert to fraction form
    252,303.11/378,456.38 = 62,763.69/x
  3. Step 3: Cross multiply
    252,303.11x = 378,456.38 × 62,763.69
  4. Step 4: Simplify right side
    252,303.11x = 23,753,316,883.85
  5. Step 5: Solve for x
    x = 23,753,316,883.85/252,303.11
  6. Step 6: Final answer
    x = 94,145.95

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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.