Home / 400,158.42-552,236.31-230,447.22

Finding the Fourth Proportional to 400,158.42, 552,236.31 and 230,447.22

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Solution

The fourth proportional to 400,158.42, 552,236.31 and 230,447.22 is: 318,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,158.42 : 552,236.31 = 230,447.22 : x
  2. Step 2: Convert to fraction form
    400,158.42/552,236.31 = 230,447.22/x
  3. Step 3: Cross multiply
    400,158.42x = 552,236.31 × 230,447.22
  4. Step 4: Simplify right side
    400,158.42x = 127,261,322,422.56
  5. Step 5: Solve for x
    x = 127,261,322,422.56/400,158.42
  6. Step 6: Final answer
    x = 318,027.35

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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.