Home / 159,494.14-220,133.76-91,557.02

Finding the Fourth Proportional to 159,494.14, 220,133.76 and 91,557.02

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Solution

The fourth proportional to 159,494.14, 220,133.76 and 91,557.02 is: 126,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,494.14 : 220,133.76 = 91,557.02 : x
  2. Step 2: Convert to fraction form
    159,494.14/220,133.76 = 91,557.02/x
  3. Step 3: Cross multiply
    159,494.14x = 220,133.76 × 91,557.02
  4. Step 4: Simplify right side
    159,494.14x = 20,154,791,067.00
  5. Step 5: Solve for x
    x = 20,154,791,067.00/159,494.14
  6. Step 6: Final answer
    x = 126,366.97

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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.