Home / 179,205.60-247,200.72-112,020.96

Finding the Fourth Proportional to 179,205.60, 247,200.72 and 112,020.96

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Solution

The fourth proportional to 179,205.60, 247,200.72 and 112,020.96 is: 154,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,205.60 : 247,200.72 = 112,020.96 : x
  2. Step 2: Convert to fraction form
    179,205.60/247,200.72 = 112,020.96/x
  3. Step 3: Cross multiply
    179,205.60x = 247,200.72 × 112,020.96
  4. Step 4: Simplify right side
    179,205.60x = 27,691,661,967.09
  5. Step 5: Solve for x
    x = 27,691,661,967.09/179,205.60
  6. Step 6: Final answer
    x = 154,524.53

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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.