Home / 188,593.09-260,265.41-103,718.05

Finding the Fourth Proportional to 188,593.09, 260,265.41 and 103,718.05

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Solution

The fourth proportional to 188,593.09, 260,265.41 and 103,718.05 is: 143,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,593.09 : 260,265.41 = 103,718.05 : x
  2. Step 2: Convert to fraction form
    188,593.09/260,265.41 = 103,718.05/x
  3. Step 3: Cross multiply
    188,593.09x = 260,265.41 × 103,718.05
  4. Step 4: Simplify right side
    188,593.09x = 26,994,220,807.65
  5. Step 5: Solve for x
    x = 26,994,220,807.65/188,593.09
  6. Step 6: Final answer
    x = 143,134.73

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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.