Home / 125,342.22-172,979.91-82,826.94

Finding the Fourth Proportional to 125,342.22, 172,979.91 and 82,826.94

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Solution

The fourth proportional to 125,342.22, 172,979.91 and 82,826.94 is: 114,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,342.22 : 172,979.91 = 82,826.94 : x
  2. Step 2: Convert to fraction form
    125,342.22/172,979.91 = 82,826.94/x
  3. Step 3: Cross multiply
    125,342.22x = 172,979.91 × 82,826.94
  4. Step 4: Simplify right side
    125,342.22x = 14,327,396,626.78
  5. Step 5: Solve for x
    x = 14,327,396,626.78/125,342.22
  6. Step 6: Final answer
    x = 114,306.23

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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.