Home / 181,853.80-272,651.10-81,932.20

Finding the Fourth Proportional to 181,853.80, 272,651.10 and 81,932.20

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Solution

The fourth proportional to 181,853.80, 272,651.10 and 81,932.20 is: 122,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,853.80 : 272,651.10 = 81,932.20 : x
  2. Step 2: Convert to fraction form
    181,853.80/272,651.10 = 81,932.20/x
  3. Step 3: Cross multiply
    181,853.80x = 272,651.10 × 81,932.20
  4. Step 4: Simplify right side
    181,853.80x = 22,338,904,455.42
  5. Step 5: Solve for x
    x = 22,338,904,455.42/181,853.80
  6. Step 6: Final answer
    x = 122,839.91

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1.5x scale

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.