Home / 400,098.80-552,204.24-230,431.16

Finding the Fourth Proportional to 400,098.80, 552,204.24 and 230,431.16

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Solution

The fourth proportional to 400,098.80, 552,204.24 and 230,431.16 is: 318,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,098.80 : 552,204.24 = 230,431.16 : x
  2. Step 2: Convert to fraction form
    400,098.80/552,204.24 = 230,431.16/x
  3. Step 3: Cross multiply
    400,098.80x = 552,204.24 × 230,431.16
  4. Step 4: Simplify right side
    400,098.80x = 127,245,063,580.12
  5. Step 5: Solve for x
    x = 127,245,063,580.12/400,098.80
  6. Step 6: Final answer
    x = 318,034.10

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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.