Home / 181,610.80-272,357.56-66,188.88

Finding the Fourth Proportional to 181,610.80, 272,357.56 and 66,188.88

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Solution

The fourth proportional to 181,610.80, 272,357.56 and 66,188.88 is: 99,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,610.80 : 272,357.56 = 66,188.88 : x
  2. Step 2: Convert to fraction form
    181,610.80/272,357.56 = 66,188.88/x
  3. Step 3: Cross multiply
    181,610.80x = 272,357.56 × 66,188.88
  4. Step 4: Simplify right side
    181,610.80x = 18,027,041,855.93
  5. Step 5: Solve for x
    x = 18,027,041,855.93/181,610.80
  6. Step 6: Final answer
    x = 99,261.95

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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.