Home / 159,835.14-220,566.51-88,213.86

Finding the Fourth Proportional to 159,835.14, 220,566.51 and 88,213.86

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Solution

The fourth proportional to 159,835.14, 220,566.51 and 88,213.86 is: 121,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,835.14 : 220,566.51 = 88,213.86 : x
  2. Step 2: Convert to fraction form
    159,835.14/220,566.51 = 88,213.86/x
  3. Step 3: Cross multiply
    159,835.14x = 220,566.51 × 88,213.86
  4. Step 4: Simplify right side
    159,835.14x = 19,457,023,233.83
  5. Step 5: Solve for x
    x = 19,457,023,233.83/159,835.14
  6. Step 6: Final answer
    x = 121,731.82

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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.