Home / 126,254.92-189,400.38-41,987.32

Finding the Fourth Proportional to 126,254.92, 189,400.38 and 41,987.32

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Solution

The fourth proportional to 126,254.92, 189,400.38 and 41,987.32 is: 62,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,254.92 : 189,400.38 = 41,987.32 : x
  2. Step 2: Convert to fraction form
    126,254.92/189,400.38 = 41,987.32/x
  3. Step 3: Cross multiply
    126,254.92x = 189,400.38 × 41,987.32
  4. Step 4: Simplify right side
    126,254.92x = 7,952,414,363.18
  5. Step 5: Solve for x
    x = 7,952,414,363.18/126,254.92
  6. Step 6: Final answer
    x = 62,986.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.