Home / 100,836.82-151,219.96-29,740.60

Finding the Fourth Proportional to 100,836.82, 151,219.96 and 29,740.60

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Solution

The fourth proportional to 100,836.82, 151,219.96 and 29,740.60 is: 44,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,836.82 : 151,219.96 = 29,740.60 : x
  2. Step 2: Convert to fraction form
    100,836.82/151,219.96 = 29,740.60/x
  3. Step 3: Cross multiply
    100,836.82x = 151,219.96 × 29,740.60
  4. Step 4: Simplify right side
    100,836.82x = 4,497,372,342.38
  5. Step 5: Solve for x
    x = 4,497,372,342.38/100,836.82
  6. Step 6: Final answer
    x = 44,600.50

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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.