Home / 126,972.16-175,218.88-73,253.28

Finding the Fourth Proportional to 126,972.16, 175,218.88 and 73,253.28

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Solution

The fourth proportional to 126,972.16, 175,218.88 and 73,253.28 is: 101,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,972.16 : 175,218.88 = 73,253.28 : x
  2. Step 2: Convert to fraction form
    126,972.16/175,218.88 = 73,253.28/x
  3. Step 3: Cross multiply
    126,972.16x = 175,218.88 × 73,253.28
  4. Step 4: Simplify right side
    126,972.16x = 12,835,357,677.93
  5. Step 5: Solve for x
    x = 12,835,357,677.93/126,972.16
  6. Step 6: Final answer
    x = 101,087.97

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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.