Home / 121,900.20-182,849.46-33,153.36

Finding the Fourth Proportional to 121,900.20, 182,849.46 and 33,153.36

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Solution

The fourth proportional to 121,900.20, 182,849.46 and 33,153.36 is: 49,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,900.20 : 182,849.46 = 33,153.36 : x
  2. Step 2: Convert to fraction form
    121,900.20/182,849.46 = 33,153.36/x
  3. Step 3: Cross multiply
    121,900.20x = 182,849.46 × 33,153.36
  4. Step 4: Simplify right side
    121,900.20x = 6,062,073,973.19
  5. Step 5: Solve for x
    x = 6,062,073,973.19/121,900.20
  6. Step 6: Final answer
    x = 49,729.81

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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.