Home / 108,185.40-162,278.15-29,299.68

Finding the Fourth Proportional to 108,185.40, 162,278.15 and 29,299.68

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Solution

The fourth proportional to 108,185.40, 162,278.15 and 29,299.68 is: 43,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,185.40 : 162,278.15 = 29,299.68 : x
  2. Step 2: Convert to fraction form
    108,185.40/162,278.15 = 29,299.68/x
  3. Step 3: Cross multiply
    108,185.40x = 162,278.15 × 29,299.68
  4. Step 4: Simplify right side
    108,185.40x = 4,754,697,719.49
  5. Step 5: Solve for x
    x = 4,754,697,719.49/108,185.40
  6. Step 6: Final answer
    x = 43,949.53

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Double scale
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Similar ratio
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1.5x scale

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.