Home / 318,229.44-439,047.33-197,327.22

Finding the Fourth Proportional to 318,229.44, 439,047.33 and 197,327.22

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Solution

The fourth proportional to 318,229.44, 439,047.33 and 197,327.22 is: 272,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,229.44 : 439,047.33 = 197,327.22 : x
  2. Step 2: Convert to fraction form
    318,229.44/439,047.33 = 197,327.22/x
  3. Step 3: Cross multiply
    318,229.44x = 439,047.33 × 197,327.22
  4. Step 4: Simplify right side
    318,229.44x = 86,635,989,077.32
  5. Step 5: Solve for x
    x = 86,635,989,077.32/318,229.44
  6. Step 6: Final answer
    x = 272,243.79

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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.