Home / 141,323.22-195,023.85-77,659.65

Finding the Fourth Proportional to 141,323.22, 195,023.85 and 77,659.65

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Solution

The fourth proportional to 141,323.22, 195,023.85 and 77,659.65 is: 107,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,323.22 : 195,023.85 = 77,659.65 : x
  2. Step 2: Convert to fraction form
    141,323.22/195,023.85 = 77,659.65/x
  3. Step 3: Cross multiply
    141,323.22x = 195,023.85 × 77,659.65
  4. Step 4: Simplify right side
    141,323.22x = 15,145,483,932.65
  5. Step 5: Solve for x
    x = 15,145,483,932.65/141,323.22
  6. Step 6: Final answer
    x = 107,169.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.