Home / 141,612.10-195,424.76-77,949.44

Finding the Fourth Proportional to 141,612.10, 195,424.76 and 77,949.44

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Solution

The fourth proportional to 141,612.10, 195,424.76 and 77,949.44 is: 107,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,612.10 : 195,424.76 = 77,949.44 : x
  2. Step 2: Convert to fraction form
    141,612.10/195,424.76 = 77,949.44/x
  3. Step 3: Cross multiply
    141,612.10x = 195,424.76 × 77,949.44
  4. Step 4: Simplify right side
    141,612.10x = 15,233,250,604.13
  5. Step 5: Solve for x
    x = 15,233,250,604.13/141,612.10
  6. Step 6: Final answer
    x = 107,570.26

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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.