Home / 231,642.16-347,514.30-131,849.38

Finding the Fourth Proportional to 231,642.16, 347,514.30 and 131,849.38

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Solution

The fourth proportional to 231,642.16, 347,514.30 and 131,849.38 is: 197,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,642.16 : 347,514.30 = 131,849.38 : x
  2. Step 2: Convert to fraction form
    231,642.16/347,514.30 = 131,849.38/x
  3. Step 3: Cross multiply
    231,642.16x = 347,514.30 × 131,849.38
  4. Step 4: Simplify right side
    231,642.16x = 45,819,544,996.13
  5. Step 5: Solve for x
    x = 45,819,544,996.13/231,642.16
  6. Step 6: Final answer
    x = 197,803.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.