Home / 188,177.90-259,685.87-111,712.33

Finding the Fourth Proportional to 188,177.90, 259,685.87 and 111,712.33

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Solution

The fourth proportional to 188,177.90, 259,685.87 and 111,712.33 is: 154,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,177.90 : 259,685.87 = 111,712.33 : x
  2. Step 2: Convert to fraction form
    188,177.90/259,685.87 = 111,712.33/x
  3. Step 3: Cross multiply
    188,177.90x = 259,685.87 × 111,712.33
  4. Step 4: Simplify right side
    188,177.90x = 29,010,113,605.78
  5. Step 5: Solve for x
    x = 29,010,113,605.78/188,177.90
  6. Step 6: Final answer
    x = 154,163.23

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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.