Home / 140,205.98-193,501.23-79,791.32

Finding the Fourth Proportional to 140,205.98, 193,501.23 and 79,791.32

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Solution

The fourth proportional to 140,205.98, 193,501.23 and 79,791.32 is: 110,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205.98 : 193,501.23 = 79,791.32 : x
  2. Step 2: Convert to fraction form
    140,205.98/193,501.23 = 79,791.32/x
  3. Step 3: Cross multiply
    140,205.98x = 193,501.23 × 79,791.32
  4. Step 4: Simplify right side
    140,205.98x = 15,439,718,563.32
  5. Step 5: Solve for x
    x = 15,439,718,563.32/140,205.98
  6. Step 6: Final answer
    x = 110,121.68

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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.