Home / 159,731.66-239,099.11-117,659.25

Finding the Fourth Proportional to 159,731.66, 239,099.11 and 117,659.25

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Solution

The fourth proportional to 159,731.66, 239,099.11 and 117,659.25 is: 176,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731.66 : 239,099.11 = 117,659.25 : x
  2. Step 2: Convert to fraction form
    159,731.66/239,099.11 = 117,659.25/x
  3. Step 3: Cross multiply
    159,731.66x = 239,099.11 × 117,659.25
  4. Step 4: Simplify right side
    159,731.66x = 28,132,221,664.12
  5. Step 5: Solve for x
    x = 28,132,221,664.12/159,731.66
  6. Step 6: Final answer
    x = 176,121.76

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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.