Home / 188,837.19-260,630.26-108,265.28

Finding the Fourth Proportional to 188,837.19, 260,630.26 and 108,265.28

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Solution

The fourth proportional to 188,837.19, 260,630.26 and 108,265.28 is: 149,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,837.19 : 260,630.26 = 108,265.28 : x
  2. Step 2: Convert to fraction form
    188,837.19/260,630.26 = 108,265.28/x
  3. Step 3: Cross multiply
    188,837.19x = 260,630.26 × 108,265.28
  4. Step 4: Simplify right side
    188,837.19x = 28,217,206,501.56
  5. Step 5: Solve for x
    x = 28,217,206,501.56/188,837.19
  6. Step 6: Final answer
    x = 149,426.11

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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.