Home / 197,793.20-272,955.45-107,149.16

Finding the Fourth Proportional to 197,793.20, 272,955.45 and 107,149.16

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Solution

The fourth proportional to 197,793.20, 272,955.45 and 107,149.16 is: 147,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,793.20 : 272,955.45 = 107,149.16 : x
  2. Step 2: Convert to fraction form
    197,793.20/272,955.45 = 107,149.16/x
  3. Step 3: Cross multiply
    197,793.20x = 272,955.45 × 107,149.16
  4. Step 4: Simplify right side
    197,793.20x = 29,246,947,184.92
  5. Step 5: Solve for x
    x = 29,246,947,184.92/197,793.20
  6. Step 6: Final answer
    x = 147,866.29

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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.