Home / 140,334.30-193,652.04-79,911.12

Finding the Fourth Proportional to 140,334.30, 193,652.04 and 79,911.12

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Solution

The fourth proportional to 140,334.30, 193,652.04 and 79,911.12 is: 110,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.30 : 193,652.04 = 79,911.12 : x
  2. Step 2: Convert to fraction form
    140,334.30/193,652.04 = 79,911.12/x
  3. Step 3: Cross multiply
    140,334.30x = 193,652.04 × 79,911.12
  4. Step 4: Simplify right side
    140,334.30x = 15,474,951,406.68
  5. Step 5: Solve for x
    x = 15,474,951,406.68/140,334.30
  6. Step 6: Final answer
    x = 110,272.05

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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.