Home / 182,116.80-273,029.40-76,849.20

Finding the Fourth Proportional to 182,116.80, 273,029.40 and 76,849.20

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Solution

The fourth proportional to 182,116.80, 273,029.40 and 76,849.20 is: 115,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,116.80 : 273,029.40 = 76,849.20 : x
  2. Step 2: Convert to fraction form
    182,116.80/273,029.40 = 76,849.20/x
  3. Step 3: Cross multiply
    182,116.80x = 273,029.40 × 76,849.20
  4. Step 4: Simplify right side
    182,116.80x = 20,982,090,966.48
  5. Step 5: Solve for x
    x = 20,982,090,966.48/182,116.80
  6. Step 6: Final answer
    x = 115,212.28

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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.