Home / 400,153.48-552,229.50-230,442.28

Finding the Fourth Proportional to 400,153.48, 552,229.50 and 230,442.28

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Solution

The fourth proportional to 400,153.48, 552,229.50 and 230,442.28 is: 318,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,153.48 : 552,229.50 = 230,442.28 : x
  2. Step 2: Convert to fraction form
    400,153.48/552,229.50 = 230,442.28/x
  3. Step 3: Cross multiply
    400,153.48x = 552,229.50 × 230,442.28
  4. Step 4: Simplify right side
    400,153.48x = 127,257,025,867.73
  5. Step 5: Solve for x
    x = 127,257,025,867.73/400,153.48
  6. Step 6: Final answer
    x = 318,020.54

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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.