Home / 181,562.10-272,243.15-74,921.82

Finding the Fourth Proportional to 181,562.10, 272,243.15 and 74,921.82

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Solution

The fourth proportional to 181,562.10, 272,243.15 and 74,921.82 is: 112,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,562.10 : 272,243.15 = 74,921.82 : x
  2. Step 2: Convert to fraction form
    181,562.10/272,243.15 = 74,921.82/x
  3. Step 3: Cross multiply
    181,562.10x = 272,243.15 × 74,921.82
  4. Step 4: Simplify right side
    181,562.10x = 20,396,950,919.32
  5. Step 5: Solve for x
    x = 20,396,950,919.32/181,562.10
  6. Step 6: Final answer
    x = 112,341.46

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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.