Home / 120,849.36-181,268.28-36,605.76

Finding the Fourth Proportional to 120,849.36, 181,268.28 and 36,605.76

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Solution

The fourth proportional to 120,849.36, 181,268.28 and 36,605.76 is: 54,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,849.36 : 181,268.28 = 36,605.76 : x
  2. Step 2: Convert to fraction form
    120,849.36/181,268.28 = 36,605.76/x
  3. Step 3: Cross multiply
    120,849.36x = 181,268.28 × 36,605.76
  4. Step 4: Simplify right side
    120,849.36x = 6,635,463,153.29
  5. Step 5: Solve for x
    x = 6,635,463,153.29/120,849.36
  6. Step 6: Final answer
    x = 54,906.90

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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.