Home / 140,266-193,541.43-79,833.07

Finding the Fourth Proportional to 140,266, 193,541.43 and 79,833.07

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Solution

The fourth proportional to 140,266, 193,541.43 and 79,833.07 is: 110,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,266 : 193,541.43 = 79,833.07 : x
  2. Step 2: Convert to fraction form
    140,266/193,541.43 = 79,833.07/x
  3. Step 3: Cross multiply
    140,266x = 193,541.43 × 79,833.07
  4. Step 4: Simplify right side
    140,266x = 15,451,006,529.09
  5. Step 5: Solve for x
    x = 15,451,006,529.09/140,266
  6. Step 6: Final answer
    x = 110,155.04

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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.