Home / 141,616.32-195,424.74-81,144.91

Finding the Fourth Proportional to 141,616.32, 195,424.74 and 81,144.91

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Solution

The fourth proportional to 141,616.32, 195,424.74 and 81,144.91 is: 111,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,616.32 : 195,424.74 = 81,144.91 : x
  2. Step 2: Convert to fraction form
    141,616.32/195,424.74 = 81,144.91/x
  3. Step 3: Cross multiply
    141,616.32x = 195,424.74 × 81,144.91
  4. Step 4: Simplify right side
    141,616.32x = 15,857,722,939.07
  5. Step 5: Solve for x
    x = 15,857,722,939.07/141,616.32
  6. Step 6: Final answer
    x = 111,976.66

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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.