Home / 159,847.18-239,876.65-87,850.36

Finding the Fourth Proportional to 159,847.18, 239,876.65 and 87,850.36

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Solution

The fourth proportional to 159,847.18, 239,876.65 and 87,850.36 is: 131,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847.18 : 239,876.65 = 87,850.36 : x
  2. Step 2: Convert to fraction form
    159,847.18/239,876.65 = 87,850.36/x
  3. Step 3: Cross multiply
    159,847.18x = 239,876.65 × 87,850.36
  4. Step 4: Simplify right side
    159,847.18x = 21,073,250,467.75
  5. Step 5: Solve for x
    x = 21,073,250,467.75/159,847.18
  6. Step 6: Final answer
    x = 131,833.74

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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.