Home / 132,169.23-182,393.70-71,739.87

Finding the Fourth Proportional to 132,169.23, 182,393.70 and 71,739.87

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Solution

The fourth proportional to 132,169.23, 182,393.70 and 71,739.87 is: 99,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,169.23 : 182,393.70 = 71,739.87 : x
  2. Step 2: Convert to fraction form
    132,169.23/182,393.70 = 71,739.87/x
  3. Step 3: Cross multiply
    132,169.23x = 182,393.70 × 71,739.87
  4. Step 4: Simplify right side
    132,169.23x = 13,084,900,326.82
  5. Step 5: Solve for x
    x = 13,084,900,326.82/132,169.23
  6. Step 6: Final answer
    x = 99,001.11

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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.