Home / 141,323.16-195,023.76-77,659.62

Finding the Fourth Proportional to 141,323.16, 195,023.76 and 77,659.62

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Solution

The fourth proportional to 141,323.16, 195,023.76 and 77,659.62 is: 107,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,323.16 : 195,023.76 = 77,659.62 : x
  2. Step 2: Convert to fraction form
    141,323.16/195,023.76 = 77,659.62/x
  3. Step 3: Cross multiply
    141,323.16x = 195,023.76 × 77,659.62
  4. Step 4: Simplify right side
    141,323.16x = 15,145,471,092.57
  5. Step 5: Solve for x
    x = 15,145,471,092.57/141,323.16
  6. Step 6: Final answer
    x = 107,169.07

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1.5x scale

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.