Home / 264,922.20-397,383.30-115,331.40

Finding the Fourth Proportional to 264,922.20, 397,383.30 and 115,331.40

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Solution

The fourth proportional to 264,922.20, 397,383.30 and 115,331.40 is: 172,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,922.20 : 397,383.30 = 115,331.40 : x
  2. Step 2: Convert to fraction form
    264,922.20/397,383.30 = 115,331.40/x
  3. Step 3: Cross multiply
    264,922.20x = 397,383.30 × 115,331.40
  4. Step 4: Simplify right side
    264,922.20x = 45,830,772,325.62
  5. Step 5: Solve for x
    x = 45,830,772,325.62/264,922.20
  6. Step 6: Final answer
    x = 172,997.10

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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.