Home / 109,179.85-163,507.33-62,290.57

Finding the Fourth Proportional to 109,179.85, 163,507.33 and 62,290.57

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Solution

The fourth proportional to 109,179.85, 163,507.33 and 62,290.57 is: 93,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,179.85 : 163,507.33 = 62,290.57 : x
  2. Step 2: Convert to fraction form
    109,179.85/163,507.33 = 62,290.57/x
  3. Step 3: Cross multiply
    109,179.85x = 163,507.33 × 62,290.57
  4. Step 4: Simplify right side
    109,179.85x = 10,184,964,453.97
  5. Step 5: Solve for x
    x = 10,184,964,453.97/109,179.85
  6. Step 6: Final answer
    x = 93,286.12

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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.