Home / 74,153.55-111,229.40-17,994.13

Finding the Fourth Proportional to 74,153.55, 111,229.40 and 17,994.13

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Solution

The fourth proportional to 74,153.55, 111,229.40 and 17,994.13 is: 26,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153.55 : 111,229.40 = 17,994.13 : x
  2. Step 2: Convert to fraction form
    74,153.55/111,229.40 = 17,994.13/x
  3. Step 3: Cross multiply
    74,153.55x = 111,229.40 × 17,994.13
  4. Step 4: Simplify right side
    74,153.55x = 2,001,476,283.42
  5. Step 5: Solve for x
    x = 2,001,476,283.42/74,153.55
  6. Step 6: Final answer
    x = 26,990.97

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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.