Home / 140,091.54-193,325.39-79,662.19

Finding the Fourth Proportional to 140,091.54, 193,325.39 and 79,662.19

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Solution

The fourth proportional to 140,091.54, 193,325.39 and 79,662.19 is: 109,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091.54 : 193,325.39 = 79,662.19 : x
  2. Step 2: Convert to fraction form
    140,091.54/193,325.39 = 79,662.19/x
  3. Step 3: Cross multiply
    140,091.54x = 193,325.39 × 79,662.19
  4. Step 4: Simplify right side
    140,091.54x = 15,400,723,950.00
  5. Step 5: Solve for x
    x = 15,400,723,950.00/140,091.54
  6. Step 6: Final answer
    x = 109,933.29

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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.