Home / 188,822.28-260,656.38-135,013.80

Finding the Fourth Proportional to 188,822.28, 260,656.38 and 135,013.80

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Solution

The fourth proportional to 188,822.28, 260,656.38 and 135,013.80 is: 186,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,822.28 : 260,656.38 = 135,013.80 : x
  2. Step 2: Convert to fraction form
    188,822.28/260,656.38 = 135,013.80/x
  3. Step 3: Cross multiply
    188,822.28x = 260,656.38 × 135,013.80
  4. Step 4: Simplify right side
    188,822.28x = 35,192,208,358.04
  5. Step 5: Solve for x
    x = 35,192,208,358.04/188,822.28
  6. Step 6: Final answer
    x = 186,377.41

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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.