Home / 220,723.38-304,516.26-134,652.78

Finding the Fourth Proportional to 220,723.38, 304,516.26 and 134,652.78

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Solution

The fourth proportional to 220,723.38, 304,516.26 and 134,652.78 is: 185,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,723.38 : 304,516.26 = 134,652.78 : x
  2. Step 2: Convert to fraction form
    220,723.38/304,516.26 = 134,652.78/x
  3. Step 3: Cross multiply
    220,723.38x = 304,516.26 × 134,652.78
  4. Step 4: Simplify right side
    220,723.38x = 41,003,960,964.20
  5. Step 5: Solve for x
    x = 41,003,960,964.20/220,723.38
  6. Step 6: Final answer
    x = 185,770.81

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1.5x scale

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.