Home / 265,933.38-398,975.13-108,274.98

Finding the Fourth Proportional to 265,933.38, 398,975.13 and 108,274.98

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Solution

The fourth proportional to 265,933.38, 398,975.13 and 108,274.98 is: 162,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,933.38 : 398,975.13 = 108,274.98 : x
  2. Step 2: Convert to fraction form
    265,933.38/398,975.13 = 108,274.98/x
  3. Step 3: Cross multiply
    265,933.38x = 398,975.13 × 108,274.98
  4. Step 4: Simplify right side
    265,933.38x = 43,199,024,221.25
  5. Step 5: Solve for x
    x = 43,199,024,221.25/265,933.38
  6. Step 6: Final answer
    x = 162,443.03

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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.