Home / 141,076.07-194,684.87-80,648.04

Finding the Fourth Proportional to 141,076.07, 194,684.87 and 80,648.04

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Solution

The fourth proportional to 141,076.07, 194,684.87 and 80,648.04 is: 111,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,076.07 : 194,684.87 = 80,648.04 : x
  2. Step 2: Convert to fraction form
    141,076.07/194,684.87 = 80,648.04/x
  3. Step 3: Cross multiply
    141,076.07x = 194,684.87 × 80,648.04
  4. Step 4: Simplify right side
    141,076.07x = 15,700,952,779.91
  5. Step 5: Solve for x
    x = 15,700,952,779.91/141,076.07
  6. Step 6: Final answer
    x = 111,294.24

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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.