Home / 181,011.80-271,623.56-75,821.96

Finding the Fourth Proportional to 181,011.80, 271,623.56 and 75,821.96

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Solution

The fourth proportional to 181,011.80, 271,623.56 and 75,821.96 is: 113,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,011.80 : 271,623.56 = 75,821.96 : x
  2. Step 2: Convert to fraction form
    181,011.80/271,623.56 = 75,821.96/x
  3. Step 3: Cross multiply
    181,011.80x = 271,623.56 × 75,821.96
  4. Step 4: Simplify right side
    181,011.80x = 20,595,030,701.38
  5. Step 5: Solve for x
    x = 20,595,030,701.38/181,011.80
  6. Step 6: Final answer
    x = 113,777.28

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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.