Home / 265,579.20-398,442.60-115,832.52

Finding the Fourth Proportional to 265,579.20, 398,442.60 and 115,832.52

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Solution

The fourth proportional to 265,579.20, 398,442.60 and 115,832.52 is: 173,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,579.20 : 398,442.60 = 115,832.52 : x
  2. Step 2: Convert to fraction form
    265,579.20/398,442.60 = 115,832.52/x
  3. Step 3: Cross multiply
    265,579.20x = 398,442.60 × 115,832.52
  4. Step 4: Simplify right side
    265,579.20x = 46,152,610,433.35
  5. Step 5: Solve for x
    x = 46,152,610,433.35/265,579.20
  6. Step 6: Final answer
    x = 173,780.97

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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.