Home / 140,007.97-193,222.47-79,597.56

Finding the Fourth Proportional to 140,007.97, 193,222.47 and 79,597.56

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Solution

The fourth proportional to 140,007.97, 193,222.47 and 79,597.56 is: 109,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.97 : 193,222.47 = 79,597.56 : x
  2. Step 2: Convert to fraction form
    140,007.97/193,222.47 = 79,597.56/x
  3. Step 3: Cross multiply
    140,007.97x = 193,222.47 × 79,597.56
  4. Step 4: Simplify right side
    140,007.97x = 15,380,037,149.17
  5. Step 5: Solve for x
    x = 15,380,037,149.17/140,007.97
  6. Step 6: Final answer
    x = 109,851.15

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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.