Home / 225,857.06-338,678.36-131,116.57

Finding the Fourth Proportional to 225,857.06, 338,678.36 and 131,116.57

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Solution

The fourth proportional to 225,857.06, 338,678.36 and 131,116.57 is: 196,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,857.06 : 338,678.36 = 131,116.57 : x
  2. Step 2: Convert to fraction form
    225,857.06/338,678.36 = 131,116.57/x
  3. Step 3: Cross multiply
    225,857.06x = 338,678.36 × 131,116.57
  4. Step 4: Simplify right side
    225,857.06x = 44,406,346,528.43
  5. Step 5: Solve for x
    x = 44,406,346,528.43/225,857.06
  6. Step 6: Final answer
    x = 196,612.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.