Home / 223,357.18-335,098.30-90,330.85

Finding the Fourth Proportional to 223,357.18, 335,098.30 and 90,330.85

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Solution

The fourth proportional to 223,357.18, 335,098.30 and 90,330.85 is: 135,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,357.18 : 335,098.30 = 90,330.85 : x
  2. Step 2: Convert to fraction form
    223,357.18/335,098.30 = 90,330.85/x
  3. Step 3: Cross multiply
    223,357.18x = 335,098.30 × 90,330.85
  4. Step 4: Simplify right side
    223,357.18x = 30,269,712,983.16
  5. Step 5: Solve for x
    x = 30,269,712,983.16/223,357.18
  6. Step 6: Final answer
    x = 135,521.56

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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.