Home / 274,110.28-411,150.68-87,107.20

Finding the Fourth Proportional to 274,110.28, 411,150.68 and 87,107.20

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Solution

The fourth proportional to 274,110.28, 411,150.68 and 87,107.20 is: 130,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,110.28 : 411,150.68 = 87,107.20 : x
  2. Step 2: Convert to fraction form
    274,110.28/411,150.68 = 87,107.20/x
  3. Step 3: Cross multiply
    274,110.28x = 411,150.68 × 87,107.20
  4. Step 4: Simplify right side
    274,110.28x = 35,814,184,512.90
  5. Step 5: Solve for x
    x = 35,814,184,512.90/274,110.28
  6. Step 6: Final answer
    x = 130,656.12

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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.