Home / 140,174.96-193,435.29-79,738.43

Finding the Fourth Proportional to 140,174.96, 193,435.29 and 79,738.43

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Solution

The fourth proportional to 140,174.96, 193,435.29 and 79,738.43 is: 110,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,174.96 : 193,435.29 = 79,738.43 : x
  2. Step 2: Convert to fraction form
    140,174.96/193,435.29 = 79,738.43/x
  3. Step 3: Cross multiply
    140,174.96x = 193,435.29 × 79,738.43
  4. Step 4: Simplify right side
    140,174.96x = 15,424,225,364.02
  5. Step 5: Solve for x
    x = 15,424,225,364.02/140,174.96
  6. Step 6: Final answer
    x = 110,035.53

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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.