Home / 159,049.16-219,538.92-101,842.50

Finding the Fourth Proportional to 159,049.16, 219,538.92 and 101,842.50

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Solution

The fourth proportional to 159,049.16, 219,538.92 and 101,842.50 is: 140,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,049.16 : 219,538.92 = 101,842.50 : x
  2. Step 2: Convert to fraction form
    159,049.16/219,538.92 = 101,842.50/x
  3. Step 3: Cross multiply
    159,049.16x = 219,538.92 × 101,842.50
  4. Step 4: Simplify right side
    159,049.16x = 22,358,392,460.10
  5. Step 5: Solve for x
    x = 22,358,392,460.10/159,049.16
  6. Step 6: Final answer
    x = 140,575.36

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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.