Home / 188,125.70-259,596.24-111,631.61

Finding the Fourth Proportional to 188,125.70, 259,596.24 and 111,631.61

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Solution

The fourth proportional to 188,125.70, 259,596.24 and 111,631.61 is: 154,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,125.70 : 259,596.24 = 111,631.61 : x
  2. Step 2: Convert to fraction form
    188,125.70/259,596.24 = 111,631.61/x
  3. Step 3: Cross multiply
    188,125.70x = 259,596.24 × 111,631.61
  4. Step 4: Simplify right side
    188,125.70x = 28,979,144,923.17
  5. Step 5: Solve for x
    x = 28,979,144,923.17/188,125.70
  6. Step 6: Final answer
    x = 154,041.40

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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.