Home / 266,306.38-367,500.83-145,447.72

Finding the Fourth Proportional to 266,306.38, 367,500.83 and 145,447.72

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Solution

The fourth proportional to 266,306.38, 367,500.83 and 145,447.72 is: 200,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,306.38 : 367,500.83 = 145,447.72 : x
  2. Step 2: Convert to fraction form
    266,306.38/367,500.83 = 145,447.72/x
  3. Step 3: Cross multiply
    266,306.38x = 367,500.83 × 145,447.72
  4. Step 4: Simplify right side
    266,306.38x = 53,452,158,185.23
  5. Step 5: Solve for x
    x = 53,452,158,185.23/266,306.38
  6. Step 6: Final answer
    x = 200,716.78

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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.