Home / 231,524.01-319,504.35-129,549.69

Finding the Fourth Proportional to 231,524.01, 319,504.35 and 129,549.69

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Solution

The fourth proportional to 231,524.01, 319,504.35 and 129,549.69 is: 178,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,524.01 : 319,504.35 = 129,549.69 : x
  2. Step 2: Convert to fraction form
    231,524.01/319,504.35 = 129,549.69/x
  3. Step 3: Cross multiply
    231,524.01x = 319,504.35 × 129,549.69
  4. Step 4: Simplify right side
    231,524.01x = 41,391,689,496.15
  5. Step 5: Solve for x
    x = 41,391,689,496.15/231,524.01
  6. Step 6: Final answer
    x = 178,779.25

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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.