Home / 182,176.80-273,119.40-76,909.20

Finding the Fourth Proportional to 182,176.80, 273,119.40 and 76,909.20

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Solution

The fourth proportional to 182,176.80, 273,119.40 and 76,909.20 is: 115,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,176.80 : 273,119.40 = 76,909.20 : x
  2. Step 2: Convert to fraction form
    182,176.80/273,119.40 = 76,909.20/x
  3. Step 3: Cross multiply
    182,176.80x = 273,119.40 × 76,909.20
  4. Step 4: Simplify right side
    182,176.80x = 21,005,394,558.48
  5. Step 5: Solve for x
    x = 21,005,394,558.48/182,176.80
  6. Step 6: Final answer
    x = 115,302.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.