Home / 194,317.68-268,151.32-108,272.21

Finding the Fourth Proportional to 194,317.68, 268,151.32 and 108,272.21

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Solution

The fourth proportional to 194,317.68, 268,151.32 and 108,272.21 is: 149,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,317.68 : 268,151.32 = 108,272.21 : x
  2. Step 2: Convert to fraction form
    194,317.68/268,151.32 = 108,272.21/x
  3. Step 3: Cross multiply
    194,317.68x = 268,151.32 × 108,272.21
  4. Step 4: Simplify right side
    194,317.68x = 29,033,335,724.72
  5. Step 5: Solve for x
    x = 29,033,335,724.72/194,317.68
  6. Step 6: Final answer
    x = 149,411.71

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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.