Home / 181,731.12-272,713.32-88,185.84

Finding the Fourth Proportional to 181,731.12, 272,713.32 and 88,185.84

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Solution

The fourth proportional to 181,731.12, 272,713.32 and 88,185.84 is: 132,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,731.12 : 272,713.32 = 88,185.84 : x
  2. Step 2: Convert to fraction form
    181,731.12/272,713.32 = 88,185.84/x
  3. Step 3: Cross multiply
    181,731.12x = 272,713.32 × 88,185.84
  4. Step 4: Simplify right side
    181,731.12x = 24,049,453,203.39
  5. Step 5: Solve for x
    x = 24,049,453,203.39/181,731.12
  6. Step 6: Final answer
    x = 132,335.36

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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.