Home / 126,943.80-175,221.12-73,263.96

Finding the Fourth Proportional to 126,943.80, 175,221.12 and 73,263.96

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Solution

The fourth proportional to 126,943.80, 175,221.12 and 73,263.96 is: 101,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,943.80 : 175,221.12 = 73,263.96 : x
  2. Step 2: Convert to fraction form
    126,943.80/175,221.12 = 73,263.96/x
  3. Step 3: Cross multiply
    126,943.80x = 175,221.12 × 73,263.96
  4. Step 4: Simplify right side
    126,943.80x = 12,837,393,126.84
  5. Step 5: Solve for x
    x = 12,837,393,126.84/126,943.80
  6. Step 6: Final answer
    x = 101,126.59

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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.