Home / 199,865.62-275,818.18-109,225.42

Finding the Fourth Proportional to 199,865.62, 275,818.18 and 109,225.42

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Solution

The fourth proportional to 199,865.62, 275,818.18 and 109,225.42 is: 150,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,865.62 : 275,818.18 = 109,225.42 : x
  2. Step 2: Convert to fraction form
    199,865.62/275,818.18 = 109,225.42/x
  3. Step 3: Cross multiply
    199,865.62x = 275,818.18 × 109,225.42
  4. Step 4: Simplify right side
    199,865.62x = 30,126,356,554.14
  5. Step 5: Solve for x
    x = 30,126,356,554.14/199,865.62
  6. Step 6: Final answer
    x = 150,733.06

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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.