Home / 141,180.78-194,920.65-87,523.14

Finding the Fourth Proportional to 141,180.78, 194,920.65 and 87,523.14

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Solution

The fourth proportional to 141,180.78, 194,920.65 and 87,523.14 is: 120,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,180.78 : 194,920.65 = 87,523.14 : x
  2. Step 2: Convert to fraction form
    141,180.78/194,920.65 = 87,523.14/x
  3. Step 3: Cross multiply
    141,180.78x = 194,920.65 × 87,523.14
  4. Step 4: Simplify right side
    141,180.78x = 17,060,067,338.84
  5. Step 5: Solve for x
    x = 17,060,067,338.84/141,180.78
  6. Step 6: Final answer
    x = 120,838.46

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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.