Home / 140,206.14-193,477.73-79,771.14

Finding the Fourth Proportional to 140,206.14, 193,477.73 and 79,771.14

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Solution

The fourth proportional to 140,206.14, 193,477.73 and 79,771.14 is: 110,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,206.14 : 193,477.73 = 79,771.14 : x
  2. Step 2: Convert to fraction form
    140,206.14/193,477.73 = 79,771.14/x
  3. Step 3: Cross multiply
    140,206.14x = 193,477.73 × 79,771.14
  4. Step 4: Simplify right side
    140,206.14x = 15,433,938,687.86
  5. Step 5: Solve for x
    x = 15,433,938,687.86/140,206.14
  6. Step 6: Final answer
    x = 110,080.33

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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.