Home / 400,167.90-552,279.33-230,435.10

Finding the Fourth Proportional to 400,167.90, 552,279.33 and 230,435.10

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Solution

The fourth proportional to 400,167.90, 552,279.33 and 230,435.10 is: 318,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,167.90 : 552,279.33 = 230,435.10 : x
  2. Step 2: Convert to fraction form
    400,167.90/552,279.33 = 230,435.10/x
  3. Step 3: Cross multiply
    400,167.90x = 552,279.33 × 230,435.10
  4. Step 4: Simplify right side
    400,167.90x = 127,264,542,636.48
  5. Step 5: Solve for x
    x = 127,264,542,636.48/400,167.90
  6. Step 6: Final answer
    x = 318,027.86

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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.