Home / 159,743.88-220,472.64-96,116.76

Finding the Fourth Proportional to 159,743.88, 220,472.64 and 96,116.76

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Solution

The fourth proportional to 159,743.88, 220,472.64 and 96,116.76 is: 132,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,743.88 : 220,472.64 = 96,116.76 : x
  2. Step 2: Convert to fraction form
    159,743.88/220,472.64 = 96,116.76/x
  3. Step 3: Cross multiply
    159,743.88x = 220,472.64 × 96,116.76
  4. Step 4: Simplify right side
    159,743.88x = 21,191,115,825.45
  5. Step 5: Solve for x
    x = 21,191,115,825.45/159,743.88
  6. Step 6: Final answer
    x = 132,656.82

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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.