Home / 188,554.13-260,203.90-103,669.37

Finding the Fourth Proportional to 188,554.13, 260,203.90 and 103,669.37

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Solution

The fourth proportional to 188,554.13, 260,203.90 and 103,669.37 is: 143,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554.13 : 260,203.90 = 103,669.37 : x
  2. Step 2: Convert to fraction form
    188,554.13/260,203.90 = 103,669.37/x
  3. Step 3: Cross multiply
    188,554.13x = 260,203.90 × 103,669.37
  4. Step 4: Simplify right side
    188,554.13x = 26,975,174,384.54
  5. Step 5: Solve for x
    x = 26,975,174,384.54/188,554.13
  6. Step 6: Final answer
    x = 143,063.29

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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.