Home / 188,440.92-260,047.62-107,868

Finding the Fourth Proportional to 188,440.92, 260,047.62 and 107,868

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Solution

The fourth proportional to 188,440.92, 260,047.62 and 107,868 is: 148,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,440.92 : 260,047.62 = 107,868 : x
  2. Step 2: Convert to fraction form
    188,440.92/260,047.62 = 107,868/x
  3. Step 3: Cross multiply
    188,440.92x = 260,047.62 × 107,868
  4. Step 4: Simplify right side
    188,440.92x = 28,050,816,674.16
  5. Step 5: Solve for x
    x = 28,050,816,674.16/188,440.92
  6. Step 6: Final answer
    x = 148,857.35

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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.