Home / 400,158.05-552,235.79-230,446.85

Finding the Fourth Proportional to 400,158.05, 552,235.79 and 230,446.85

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Solution

The fourth proportional to 400,158.05, 552,235.79 and 230,446.85 is: 318,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,158.05 : 552,235.79 = 230,446.85 : x
  2. Step 2: Convert to fraction form
    400,158.05/552,235.79 = 230,446.85/x
  3. Step 3: Cross multiply
    400,158.05x = 552,235.79 × 230,446.85
  4. Step 4: Simplify right side
    400,158.05x = 127,260,996,077.70
  5. Step 5: Solve for x
    x = 127,260,996,077.70/400,158.05
  6. Step 6: Final answer
    x = 318,026.83

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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.