Home / 127,826.62-176,408.52-71,237.86

Finding the Fourth Proportional to 127,826.62, 176,408.52 and 71,237.86

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Solution

The fourth proportional to 127,826.62, 176,408.52 and 71,237.86 is: 98,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,826.62 : 176,408.52 = 71,237.86 : x
  2. Step 2: Convert to fraction form
    127,826.62/176,408.52 = 71,237.86/x
  3. Step 3: Cross multiply
    127,826.62x = 176,408.52 × 71,237.86
  4. Step 4: Simplify right side
    127,826.62x = 12,566,965,450.57
  5. Step 5: Solve for x
    x = 12,566,965,450.57/127,826.62
  6. Step 6: Final answer
    x = 98,312.59

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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.