Home / 188,716.08-260,428.19-103,833.14

Finding the Fourth Proportional to 188,716.08, 260,428.19 and 103,833.14

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Solution

The fourth proportional to 188,716.08, 260,428.19 and 103,833.14 is: 143,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,716.08 : 260,428.19 = 103,833.14 : x
  2. Step 2: Convert to fraction form
    188,716.08/260,428.19 = 103,833.14/x
  3. Step 3: Cross multiply
    188,716.08x = 260,428.19 × 103,833.14
  4. Step 4: Simplify right side
    188,716.08x = 27,041,076,647.85
  5. Step 5: Solve for x
    x = 27,041,076,647.85/188,716.08
  6. Step 6: Final answer
    x = 143,289.73

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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.