Home / 231,115.80-346,047.84-120,074.52

Finding the Fourth Proportional to 231,115.80, 346,047.84 and 120,074.52

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Solution

The fourth proportional to 231,115.80, 346,047.84 and 120,074.52 is: 179,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,115.80 : 346,047.84 = 120,074.52 : x
  2. Step 2: Convert to fraction form
    231,115.80/346,047.84 = 120,074.52/x
  3. Step 3: Cross multiply
    231,115.80x = 346,047.84 × 120,074.52
  4. Step 4: Simplify right side
    231,115.80x = 41,551,528,285.04
  5. Step 5: Solve for x
    x = 41,551,528,285.04/231,115.80
  6. Step 6: Final answer
    x = 179,786.62

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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.