Home / 126,331.20-174,359.52-75,347.04

Finding the Fourth Proportional to 126,331.20, 174,359.52 and 75,347.04

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Solution

The fourth proportional to 126,331.20, 174,359.52 and 75,347.04 is: 103,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,331.20 : 174,359.52 = 75,347.04 : x
  2. Step 2: Convert to fraction form
    126,331.20/174,359.52 = 75,347.04/x
  3. Step 3: Cross multiply
    126,331.20x = 174,359.52 × 75,347.04
  4. Step 4: Simplify right side
    126,331.20x = 13,137,473,727.82
  5. Step 5: Solve for x
    x = 13,137,473,727.82/126,331.20
  6. Step 6: Final answer
    x = 103,992.31

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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.