Home / 141,281.83-194,979.77-80,871.42

Finding the Fourth Proportional to 141,281.83, 194,979.77 and 80,871.42

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Solution

The fourth proportional to 141,281.83, 194,979.77 and 80,871.42 is: 111,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,281.83 : 194,979.77 = 80,871.42 : x
  2. Step 2: Convert to fraction form
    141,281.83/194,979.77 = 80,871.42/x
  3. Step 3: Cross multiply
    141,281.83x = 194,979.77 × 80,871.42
  4. Step 4: Simplify right side
    141,281.83x = 15,768,290,871.17
  5. Step 5: Solve for x
    x = 15,768,290,871.17/141,281.83
  6. Step 6: Final answer
    x = 111,608.77

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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.