Home / 374,943.75-517,422.42-205,177.92

Finding the Fourth Proportional to 374,943.75, 517,422.42 and 205,177.92

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Solution

The fourth proportional to 374,943.75, 517,422.42 and 205,177.92 is: 283,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,943.75 : 517,422.42 = 205,177.92 : x
  2. Step 2: Convert to fraction form
    374,943.75/517,422.42 = 205,177.92/x
  3. Step 3: Cross multiply
    374,943.75x = 517,422.42 × 205,177.92
  4. Step 4: Simplify right side
    374,943.75x = 106,163,655,896.97
  5. Step 5: Solve for x
    x = 106,163,655,896.97/374,943.75
  6. Step 6: Final answer
    x = 283,145.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.