Home / 120,842.44-181,263.73-45,945.28

Finding the Fourth Proportional to 120,842.44, 181,263.73 and 45,945.28

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Solution

The fourth proportional to 120,842.44, 181,263.73 and 45,945.28 is: 68,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,842.44 : 181,263.73 = 45,945.28 : x
  2. Step 2: Convert to fraction form
    120,842.44/181,263.73 = 45,945.28/x
  3. Step 3: Cross multiply
    120,842.44x = 181,263.73 × 45,945.28
  4. Step 4: Simplify right side
    120,842.44x = 8,328,213,112.71
  5. Step 5: Solve for x
    x = 8,328,213,112.71/120,842.44
  6. Step 6: Final answer
    x = 68,917.95

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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.