Home / 127,253.25-175,625.69-76,952.61

Finding the Fourth Proportional to 127,253.25, 175,625.69 and 76,952.61

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Solution

The fourth proportional to 127,253.25, 175,625.69 and 76,952.61 is: 106,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,253.25 : 175,625.69 = 76,952.61 : x
  2. Step 2: Convert to fraction form
    127,253.25/175,625.69 = 76,952.61/x
  3. Step 3: Cross multiply
    127,253.25x = 175,625.69 × 76,952.61
  4. Step 4: Simplify right side
    127,253.25x = 13,514,854,843.79
  5. Step 5: Solve for x
    x = 13,514,854,843.79/127,253.25
  6. Step 6: Final answer
    x = 106,204.40

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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.