Home / 247,161.38-340,752.83-196,342.79

Finding the Fourth Proportional to 247,161.38, 340,752.83 and 196,342.79

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Solution

The fourth proportional to 247,161.38, 340,752.83 and 196,342.79 is: 270,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,161.38 : 340,752.83 = 196,342.79 : x
  2. Step 2: Convert to fraction form
    247,161.38/340,752.83 = 196,342.79/x
  3. Step 3: Cross multiply
    247,161.38x = 340,752.83 × 196,342.79
  4. Step 4: Simplify right side
    247,161.38x = 66,904,358,657.12
  5. Step 5: Solve for x
    x = 66,904,358,657.12/247,161.38
  6. Step 6: Final answer
    x = 270,691.00

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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.