Home / 188,505.51-259,869.92-149,926.83

Finding the Fourth Proportional to 188,505.51, 259,869.92 and 149,926.83

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Solution

The fourth proportional to 188,505.51, 259,869.92 and 149,926.83 is: 206,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,505.51 : 259,869.92 = 149,926.83 : x
  2. Step 2: Convert to fraction form
    188,505.51/259,869.92 = 149,926.83/x
  3. Step 3: Cross multiply
    188,505.51x = 259,869.92 × 149,926.83
  4. Step 4: Simplify right side
    188,505.51x = 38,961,472,568.32
  5. Step 5: Solve for x
    x = 38,961,472,568.32/188,505.51
  6. Step 6: Final answer
    x = 206,686.12

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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.