Home / 188,210.49-259,713.18-111,716.52

Finding the Fourth Proportional to 188,210.49, 259,713.18 and 111,716.52

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Solution

The fourth proportional to 188,210.49, 259,713.18 and 111,716.52 is: 154,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,210.49 : 259,713.18 = 111,716.52 : x
  2. Step 2: Convert to fraction form
    188,210.49/259,713.18 = 111,716.52/x
  3. Step 3: Cross multiply
    188,210.49x = 259,713.18 × 111,716.52
  4. Step 4: Simplify right side
    188,210.49x = 29,014,252,667.73
  5. Step 5: Solve for x
    x = 29,014,252,667.73/188,210.49
  6. Step 6: Final answer
    x = 154,158.53

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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.