Home / 181,318.58-271,884.02-81,392.74

Finding the Fourth Proportional to 181,318.58, 271,884.02 and 81,392.74

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Solution

The fourth proportional to 181,318.58, 271,884.02 and 81,392.74 is: 122,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,318.58 : 271,884.02 = 81,392.74 : x
  2. Step 2: Convert to fraction form
    181,318.58/271,884.02 = 81,392.74/x
  3. Step 3: Cross multiply
    181,318.58x = 271,884.02 × 81,392.74
  4. Step 4: Simplify right side
    181,318.58x = 22,129,385,350.01
  5. Step 5: Solve for x
    x = 22,129,385,350.01/181,318.58
  6. Step 6: Final answer
    x = 122,046.98

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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.