Home / 141,257.48-194,949.03-80,836.74

Finding the Fourth Proportional to 141,257.48, 194,949.03 and 80,836.74

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Solution

The fourth proportional to 141,257.48, 194,949.03 and 80,836.74 is: 111,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,257.48 : 194,949.03 = 80,836.74 : x
  2. Step 2: Convert to fraction form
    141,257.48/194,949.03 = 80,836.74/x
  3. Step 3: Cross multiply
    141,257.48x = 194,949.03 × 80,836.74
  4. Step 4: Simplify right side
    141,257.48x = 15,759,044,051.36
  5. Step 5: Solve for x
    x = 15,759,044,051.36/141,257.48
  6. Step 6: Final answer
    x = 111,562.55

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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.