Home / 120,849.20-181,273.80-41,955.20

Finding the Fourth Proportional to 120,849.20, 181,273.80 and 41,955.20

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Solution

The fourth proportional to 120,849.20, 181,273.80 and 41,955.20 is: 62,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,849.20 : 181,273.80 = 41,955.20 : x
  2. Step 2: Convert to fraction form
    120,849.20/181,273.80 = 41,955.20/x
  3. Step 3: Cross multiply
    120,849.20x = 181,273.80 × 41,955.20
  4. Step 4: Simplify right side
    120,849.20x = 7,605,378,533.76
  5. Step 5: Solve for x
    x = 7,605,378,533.76/120,849.20
  6. Step 6: Final answer
    x = 62,932.80

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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.