Home / 140,100.56-193,410.12-108,197.84

Finding the Fourth Proportional to 140,100.56, 193,410.12 and 108,197.84

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Solution

The fourth proportional to 140,100.56, 193,410.12 and 108,197.84 is: 149,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100.56 : 193,410.12 = 108,197.84 : x
  2. Step 2: Convert to fraction form
    140,100.56/193,410.12 = 108,197.84/x
  3. Step 3: Cross multiply
    140,100.56x = 193,410.12 × 108,197.84
  4. Step 4: Simplify right side
    140,100.56x = 20,926,557,218.14
  5. Step 5: Solve for x
    x = 20,926,557,218.14/140,100.56
  6. Step 6: Final answer
    x = 149,368.12

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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.