Home / 400,156.92-552,234.24-230,445.72

Finding the Fourth Proportional to 400,156.92, 552,234.24 and 230,445.72

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Solution

The fourth proportional to 400,156.92, 552,234.24 and 230,445.72 is: 318,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,156.92 : 552,234.24 = 230,445.72 : x
  2. Step 2: Convert to fraction form
    400,156.92/552,234.24 = 230,445.72/x
  3. Step 3: Cross multiply
    400,156.92x = 552,234.24 × 230,445.72
  4. Step 4: Simplify right side
    400,156.92x = 127,260,017,045.45
  5. Step 5: Solve for x
    x = 127,260,017,045.45/400,156.92
  6. Step 6: Final answer
    x = 318,025.28

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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.