Home / 108,179.38-149,277.48-62,856.88

Finding the Fourth Proportional to 108,179.38, 149,277.48 and 62,856.88

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Solution

The fourth proportional to 108,179.38, 149,277.48 and 62,856.88 is: 86,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,179.38 : 149,277.48 = 62,856.88 : x
  2. Step 2: Convert to fraction form
    108,179.38/149,277.48 = 62,856.88/x
  3. Step 3: Cross multiply
    108,179.38x = 149,277.48 × 62,856.88
  4. Step 4: Simplify right side
    108,179.38x = 9,383,116,647.06
  5. Step 5: Solve for x
    x = 9,383,116,647.06/108,179.38
  6. Step 6: Final answer
    x = 86,736.65

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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.