Home / 179,364.38-247,546.77-115,886.90

Finding the Fourth Proportional to 179,364.38, 247,546.77 and 115,886.90

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Solution

The fourth proportional to 179,364.38, 247,546.77 and 115,886.90 is: 159,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,364.38 : 247,546.77 = 115,886.90 : x
  2. Step 2: Convert to fraction form
    179,364.38/247,546.77 = 115,886.90/x
  3. Step 3: Cross multiply
    179,364.38x = 247,546.77 × 115,886.90
  4. Step 4: Simplify right side
    179,364.38x = 28,687,427,780.31
  5. Step 5: Solve for x
    x = 28,687,427,780.31/179,364.38
  6. Step 6: Final answer
    x = 159,939.38

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1.5x scale

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.