Home / 265,052.10-397,286.55-115,266.90

Finding the Fourth Proportional to 265,052.10, 397,286.55 and 115,266.90

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Solution

The fourth proportional to 265,052.10, 397,286.55 and 115,266.90 is: 172,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,052.10 : 397,286.55 = 115,266.90 : x
  2. Step 2: Convert to fraction form
    265,052.10/397,286.55 = 115,266.90/x
  3. Step 3: Cross multiply
    265,052.10x = 397,286.55 × 115,266.90
  4. Step 4: Simplify right side
    265,052.10x = 45,793,989,030.20
  5. Step 5: Solve for x
    x = 45,793,989,030.20/265,052.10
  6. Step 6: Final answer
    x = 172,773.54

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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.