Home / 197,776.56-272,932.96-107,132.52

Finding the Fourth Proportional to 197,776.56, 272,932.96 and 107,132.52

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Solution

The fourth proportional to 197,776.56, 272,932.96 and 107,132.52 is: 147,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,776.56 : 272,932.96 = 107,132.52 : x
  2. Step 2: Convert to fraction form
    197,776.56/272,932.96 = 107,132.52/x
  3. Step 3: Cross multiply
    197,776.56x = 272,932.96 × 107,132.52
  4. Step 4: Simplify right side
    197,776.56x = 29,239,996,746.02
  5. Step 5: Solve for x
    x = 29,239,996,746.02/197,776.56
  6. Step 6: Final answer
    x = 147,843.59

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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.