Home / 141,066.97-194,672.36-80,638.89

Finding the Fourth Proportional to 141,066.97, 194,672.36 and 80,638.89

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Solution

The fourth proportional to 141,066.97, 194,672.36 and 80,638.89 is: 111,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,066.97 : 194,672.36 = 80,638.89 : x
  2. Step 2: Convert to fraction form
    141,066.97/194,672.36 = 80,638.89/x
  3. Step 3: Cross multiply
    141,066.97x = 194,672.36 × 80,638.89
  4. Step 4: Simplify right side
    141,066.97x = 15,698,163,590.69
  5. Step 5: Solve for x
    x = 15,698,163,590.69/141,066.97
  6. Step 6: Final answer
    x = 111,281.64

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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.