Home / 226,162.80-312,120.62-149,548.76

Finding the Fourth Proportional to 226,162.80, 312,120.62 and 149,548.76

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Solution

The fourth proportional to 226,162.80, 312,120.62 and 149,548.76 is: 206,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,162.80 : 312,120.62 = 149,548.76 : x
  2. Step 2: Convert to fraction form
    226,162.80/312,120.62 = 149,548.76/x
  3. Step 3: Cross multiply
    226,162.80x = 312,120.62 × 149,548.76
  4. Step 4: Simplify right side
    226,162.80x = 46,677,251,691.43
  5. Step 5: Solve for x
    x = 46,677,251,691.43/226,162.80
  6. Step 6: Final answer
    x = 206,387.84

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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.