Home / 515,238.17-772,927.41-178,188.36

Finding the Fourth Proportional to 515,238.17, 772,927.41 and 178,188.36

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Solution

The fourth proportional to 515,238.17, 772,927.41 and 178,188.36 is: 267,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,238.17 : 772,927.41 = 178,188.36 : x
  2. Step 2: Convert to fraction form
    515,238.17/772,927.41 = 178,188.36/x
  3. Step 3: Cross multiply
    515,238.17x = 772,927.41 × 178,188.36
  4. Step 4: Simplify right side
    515,238.17x = 137,726,665,356.68
  5. Step 5: Solve for x
    x = 137,726,665,356.68/515,238.17
  6. Step 6: Final answer
    x = 267,306.80

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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.