Home / 159,898.36-220,660.06-88,278.52

Finding the Fourth Proportional to 159,898.36, 220,660.06 and 88,278.52

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Solution

The fourth proportional to 159,898.36, 220,660.06 and 88,278.52 is: 121,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,898.36 : 220,660.06 = 88,278.52 : x
  2. Step 2: Convert to fraction form
    159,898.36/220,660.06 = 88,278.52/x
  3. Step 3: Cross multiply
    159,898.36x = 220,660.06 × 88,278.52
  4. Step 4: Simplify right side
    159,898.36x = 19,479,543,519.91
  5. Step 5: Solve for x
    x = 19,479,543,519.91/159,898.36
  6. Step 6: Final answer
    x = 121,824.54

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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.