Home / 267,480.11-401,281.65-87,571.32

Finding the Fourth Proportional to 267,480.11, 401,281.65 and 87,571.32

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Solution

The fourth proportional to 267,480.11, 401,281.65 and 87,571.32 is: 131,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,480.11 : 401,281.65 = 87,571.32 : x
  2. Step 2: Convert to fraction form
    267,480.11/401,281.65 = 87,571.32/x
  3. Step 3: Cross multiply
    267,480.11x = 401,281.65 × 87,571.32
  4. Step 4: Simplify right side
    267,480.11x = 35,140,763,782.28
  5. Step 5: Solve for x
    x = 35,140,763,782.28/267,480.11
  6. Step 6: Final answer
    x = 131,377.11

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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.