Home / 166,041.74-229,067.79-115,769.90

Finding the Fourth Proportional to 166,041.74, 229,067.79 and 115,769.90

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Solution

The fourth proportional to 166,041.74, 229,067.79 and 115,769.90 is: 159,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,041.74 : 229,067.79 = 115,769.90 : x
  2. Step 2: Convert to fraction form
    166,041.74/229,067.79 = 115,769.90/x
  3. Step 3: Cross multiply
    166,041.74x = 229,067.79 × 115,769.90
  4. Step 4: Simplify right side
    166,041.74x = 26,519,155,141.52
  5. Step 5: Solve for x
    x = 26,519,155,141.52/166,041.74
  6. Step 6: Final answer
    x = 159,713.79

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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.