Home / 127,395.60-175,780.32-73,661.04

Finding the Fourth Proportional to 127,395.60, 175,780.32 and 73,661.04

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Solution

The fourth proportional to 127,395.60, 175,780.32 and 73,661.04 is: 101,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,395.60 : 175,780.32 = 73,661.04 : x
  2. Step 2: Convert to fraction form
    127,395.60/175,780.32 = 73,661.04/x
  3. Step 3: Cross multiply
    127,395.60x = 175,780.32 × 73,661.04
  4. Step 4: Simplify right side
    127,395.60x = 12,948,161,182.73
  5. Step 5: Solve for x
    x = 12,948,161,182.73/127,395.60
  6. Step 6: Final answer
    x = 101,637.43

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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.