Home / 126,203.20-189,398.64-59,663.76

Finding the Fourth Proportional to 126,203.20, 189,398.64 and 59,663.76

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Solution

The fourth proportional to 126,203.20, 189,398.64 and 59,663.76 is: 89,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,203.20 : 189,398.64 = 59,663.76 : x
  2. Step 2: Convert to fraction form
    126,203.20/189,398.64 = 59,663.76/x
  3. Step 3: Cross multiply
    126,203.20x = 189,398.64 × 59,663.76
  4. Step 4: Simplify right side
    126,203.20x = 11,300,235,001.29
  5. Step 5: Solve for x
    x = 11,300,235,001.29/126,203.20
  6. Step 6: Final answer
    x = 89,540.00

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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.