Home / 108,181.88-149,280.92-62,859.38

Finding the Fourth Proportional to 108,181.88, 149,280.92 and 62,859.38

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Solution

The fourth proportional to 108,181.88, 149,280.92 and 62,859.38 is: 86,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,181.88 : 149,280.92 = 62,859.38 : x
  2. Step 2: Convert to fraction form
    108,181.88/149,280.92 = 62,859.38/x
  3. Step 3: Cross multiply
    108,181.88x = 149,280.92 × 62,859.38
  4. Step 4: Simplify right side
    108,181.88x = 9,383,706,077.03
  5. Step 5: Solve for x
    x = 9,383,706,077.03/108,181.88
  6. Step 6: Final answer
    x = 86,740.09

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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.