Home / 88,976.20-133,464.30-87,226.60

Finding the Fourth Proportional to 88,976.20, 133,464.30 and 87,226.60

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Solution

The fourth proportional to 88,976.20, 133,464.30 and 87,226.60 is: 130,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,976.20 : 133,464.30 = 87,226.60 : x
  2. Step 2: Convert to fraction form
    88,976.20/133,464.30 = 87,226.60/x
  3. Step 3: Cross multiply
    88,976.20x = 133,464.30 × 87,226.60
  4. Step 4: Simplify right side
    88,976.20x = 11,641,637,110.38
  5. Step 5: Solve for x
    x = 11,641,637,110.38/88,976.20
  6. Step 6: Final answer
    x = 130,839.90

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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.