Home / 115,435.11-173,207.51-79,951.04

Finding the Fourth Proportional to 115,435.11, 173,207.51 and 79,951.04

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Solution

The fourth proportional to 115,435.11, 173,207.51 and 79,951.04 is: 119,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435.11 : 173,207.51 = 79,951.04 : x
  2. Step 2: Convert to fraction form
    115,435.11/173,207.51 = 79,951.04/x
  3. Step 3: Cross multiply
    115,435.11x = 173,207.51 × 79,951.04
  4. Step 4: Simplify right side
    115,435.11x = 13,848,120,560.31
  5. Step 5: Solve for x
    x = 13,848,120,560.31/115,435.11
  6. Step 6: Final answer
    x = 119,964.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.