Home / 188,552.17-260,202.36-103,669.26

Finding the Fourth Proportional to 188,552.17, 260,202.36 and 103,669.26

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Solution

The fourth proportional to 188,552.17, 260,202.36 and 103,669.26 is: 143,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,552.17 : 260,202.36 = 103,669.26 : x
  2. Step 2: Convert to fraction form
    188,552.17/260,202.36 = 103,669.26/x
  3. Step 3: Cross multiply
    188,552.17x = 260,202.36 × 103,669.26
  4. Step 4: Simplify right side
    188,552.17x = 26,974,986,111.45
  5. Step 5: Solve for x
    x = 26,974,986,111.45/188,552.17
  6. Step 6: Final answer
    x = 143,063.78

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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.