Home / 166,560.65-229,853.01-90,079.82

Finding the Fourth Proportional to 166,560.65, 229,853.01 and 90,079.82

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Solution

The fourth proportional to 166,560.65, 229,853.01 and 90,079.82 is: 124,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,560.65 : 229,853.01 = 90,079.82 : x
  2. Step 2: Convert to fraction form
    166,560.65/229,853.01 = 90,079.82/x
  3. Step 3: Cross multiply
    166,560.65x = 229,853.01 × 90,079.82
  4. Step 4: Simplify right side
    166,560.65x = 20,705,116,617.99
  5. Step 5: Solve for x
    x = 20,705,116,617.99/166,560.65
  6. Step 6: Final answer
    x = 124,309.78

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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.