Home / 188,176.58-259,684.06-111,711.02

Finding the Fourth Proportional to 188,176.58, 259,684.06 and 111,711.02

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Solution

The fourth proportional to 188,176.58, 259,684.06 and 111,711.02 is: 154,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,176.58 : 259,684.06 = 111,711.02 : x
  2. Step 2: Convert to fraction form
    188,176.58/259,684.06 = 111,711.02/x
  3. Step 3: Cross multiply
    188,176.58x = 259,684.06 × 111,711.02
  4. Step 4: Simplify right side
    188,176.58x = 29,009,569,363.37
  5. Step 5: Solve for x
    x = 29,009,569,363.37/188,176.58
  6. Step 6: Final answer
    x = 154,161.42

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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.