Home / 378,024.81-567,046.95-108,192.75

Finding the Fourth Proportional to 378,024.81, 567,046.95 and 108,192.75

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Solution

The fourth proportional to 378,024.81, 567,046.95 and 108,192.75 is: 162,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,024.81 : 567,046.95 = 108,192.75 : x
  2. Step 2: Convert to fraction form
    378,024.81/567,046.95 = 108,192.75/x
  3. Step 3: Cross multiply
    378,024.81x = 567,046.95 × 108,192.75
  4. Step 4: Simplify right side
    378,024.81x = 61,350,368,899.61
  5. Step 5: Solve for x
    x = 61,350,368,899.61/378,024.81
  6. Step 6: Final answer
    x = 162,291.91

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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.