Home / 108,974.34-150,468.57-87,847.92

Finding the Fourth Proportional to 108,974.34, 150,468.57 and 87,847.92

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Solution

The fourth proportional to 108,974.34, 150,468.57 and 87,847.92 is: 121,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,974.34 : 150,468.57 = 87,847.92 : x
  2. Step 2: Convert to fraction form
    108,974.34/150,468.57 = 87,847.92/x
  3. Step 3: Cross multiply
    108,974.34x = 150,468.57 × 87,847.92
  4. Step 4: Simplify right side
    108,974.34x = 13,218,350,899.87
  5. Step 5: Solve for x
    x = 13,218,350,899.87/108,974.34
  6. Step 6: Final answer
    x = 121,297.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.