Home / 132,596.60-182,987.80-72,169.44

Finding the Fourth Proportional to 132,596.60, 182,987.80 and 72,169.44

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Solution

The fourth proportional to 132,596.60, 182,987.80 and 72,169.44 is: 99,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,596.60 : 182,987.80 = 72,169.44 : x
  2. Step 2: Convert to fraction form
    132,596.60/182,987.80 = 72,169.44/x
  3. Step 3: Cross multiply
    132,596.60x = 182,987.80 × 72,169.44
  4. Step 4: Simplify right side
    132,596.60x = 13,206,127,052.83
  5. Step 5: Solve for x
    x = 13,206,127,052.83/132,596.60
  6. Step 6: Final answer
    x = 99,596.27

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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.