Home / 265,519.10-398,165.25-123,276.62

Finding the Fourth Proportional to 265,519.10, 398,165.25 and 123,276.62

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Solution

The fourth proportional to 265,519.10, 398,165.25 and 123,276.62 is: 184,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,519.10 : 398,165.25 = 123,276.62 : x
  2. Step 2: Convert to fraction form
    265,519.10/398,165.25 = 123,276.62/x
  3. Step 3: Cross multiply
    265,519.10x = 398,165.25 × 123,276.62
  4. Step 4: Simplify right side
    265,519.10x = 49,084,466,221.46
  5. Step 5: Solve for x
    x = 49,084,466,221.46/265,519.10
  6. Step 6: Final answer
    x = 184,862.28

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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.