Home / 141,599.32-195,407.11-77,936.66

Finding the Fourth Proportional to 141,599.32, 195,407.11 and 77,936.66

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Solution

The fourth proportional to 141,599.32, 195,407.11 and 77,936.66 is: 107,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,599.32 : 195,407.11 = 77,936.66 : x
  2. Step 2: Convert to fraction form
    141,599.32/195,407.11 = 77,936.66/x
  3. Step 3: Cross multiply
    141,599.32x = 195,407.11 × 77,936.66
  4. Step 4: Simplify right side
    141,599.32x = 15,229,377,493.65
  5. Step 5: Solve for x
    x = 15,229,377,493.65/141,599.32
  6. Step 6: Final answer
    x = 107,552.62

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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.