Home / 146,849.76-220,187.16-58,115.88

Finding the Fourth Proportional to 146,849.76, 220,187.16 and 58,115.88

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Solution

The fourth proportional to 146,849.76, 220,187.16 and 58,115.88 is: 87,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,849.76 : 220,187.16 = 58,115.88 : x
  2. Step 2: Convert to fraction form
    146,849.76/220,187.16 = 58,115.88/x
  3. Step 3: Cross multiply
    146,849.76x = 220,187.16 × 58,115.88
  4. Step 4: Simplify right side
    146,849.76x = 12,796,370,568.10
  5. Step 5: Solve for x
    x = 12,796,370,568.10/146,849.76
  6. Step 6: Final answer
    x = 87,139.20

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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.