Home / 140,218.03-193,505.12-79,797.34

Finding the Fourth Proportional to 140,218.03, 193,505.12 and 79,797.34

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Solution

The fourth proportional to 140,218.03, 193,505.12 and 79,797.34 is: 110,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,218.03 : 193,505.12 = 79,797.34 : x
  2. Step 2: Convert to fraction form
    140,218.03/193,505.12 = 79,797.34/x
  3. Step 3: Cross multiply
    140,218.03x = 193,505.12 × 79,797.34
  4. Step 4: Simplify right side
    140,218.03x = 15,441,193,852.38
  5. Step 5: Solve for x
    x = 15,441,193,852.38/140,218.03
  6. Step 6: Final answer
    x = 110,122.74

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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.