Home / 168,091.40-252,189.96-49,763.78

Finding the Fourth Proportional to 168,091.40, 252,189.96 and 49,763.78

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Solution

The fourth proportional to 168,091.40, 252,189.96 and 49,763.78 is: 74,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,091.40 : 252,189.96 = 49,763.78 : x
  2. Step 2: Convert to fraction form
    168,091.40/252,189.96 = 49,763.78/x
  3. Step 3: Cross multiply
    168,091.40x = 252,189.96 × 49,763.78
  4. Step 4: Simplify right side
    168,091.40x = 12,549,925,687.65
  5. Step 5: Solve for x
    x = 12,549,925,687.65/168,091.40
  6. Step 6: Final answer
    x = 74,661.32

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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.