Home / 237,939.12-357,081.48-191,749.68

Finding the Fourth Proportional to 237,939.12, 357,081.48 and 191,749.68

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Solution

The fourth proportional to 237,939.12, 357,081.48 and 191,749.68 is: 287,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,939.12 : 357,081.48 = 191,749.68 : x
  2. Step 2: Convert to fraction form
    237,939.12/357,081.48 = 191,749.68/x
  3. Step 3: Cross multiply
    237,939.12x = 357,081.48 × 191,749.68
  4. Step 4: Simplify right side
    237,939.12x = 68,470,259,523.93
  5. Step 5: Solve for x
    x = 68,470,259,523.93/237,939.12
  6. Step 6: Final answer
    x = 287,763.78

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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.