Home / 400,082.20-552,165.66-230,323.48

Finding the Fourth Proportional to 400,082.20, 552,165.66 and 230,323.48

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Solution

The fourth proportional to 400,082.20, 552,165.66 and 230,323.48 is: 317,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,082.20 : 552,165.66 = 230,323.48 : x
  2. Step 2: Convert to fraction form
    400,082.20/552,165.66 = 230,323.48/x
  3. Step 3: Cross multiply
    400,082.20x = 552,165.66 × 230,323.48
  4. Step 4: Simplify right side
    400,082.20x = 127,176,716,347.70
  5. Step 5: Solve for x
    x = 127,176,716,347.70/400,082.20
  6. Step 6: Final answer
    x = 317,876.47

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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.