Home / 140,100.06-193,409.43-108,197.34

Finding the Fourth Proportional to 140,100.06, 193,409.43 and 108,197.34

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Solution

The fourth proportional to 140,100.06, 193,409.43 and 108,197.34 is: 149,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100.06 : 193,409.43 = 108,197.34 : x
  2. Step 2: Convert to fraction form
    140,100.06/193,409.43 = 108,197.34/x
  3. Step 3: Cross multiply
    140,100.06x = 193,409.43 × 108,197.34
  4. Step 4: Simplify right side
    140,100.06x = 20,926,385,856.92
  5. Step 5: Solve for x
    x = 20,926,385,856.92/140,100.06
  6. Step 6: Final answer
    x = 149,367.43

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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.