Home / 125,305.89-188,052.23-50,426.65

Finding the Fourth Proportional to 125,305.89, 188,052.23 and 50,426.65

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Solution

The fourth proportional to 125,305.89, 188,052.23 and 50,426.65 is: 75,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,305.89 : 188,052.23 = 50,426.65 : x
  2. Step 2: Convert to fraction form
    125,305.89/188,052.23 = 50,426.65/x
  3. Step 3: Cross multiply
    125,305.89x = 188,052.23 × 50,426.65
  4. Step 4: Simplify right side
    125,305.89x = 9,482,843,983.93
  5. Step 5: Solve for x
    x = 9,482,843,983.93/125,305.89
  6. Step 6: Final answer
    x = 75,677.56

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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.