Home / 188,531.73-260,184.29-103,666.41

Finding the Fourth Proportional to 188,531.73, 260,184.29 and 103,666.41

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Solution

The fourth proportional to 188,531.73, 260,184.29 and 103,666.41 is: 143,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,531.73 : 260,184.29 = 103,666.41 : x
  2. Step 2: Convert to fraction form
    188,531.73/260,184.29 = 103,666.41/x
  3. Step 3: Cross multiply
    188,531.73x = 260,184.29 × 103,666.41
  4. Step 4: Simplify right side
    188,531.73x = 26,972,370,764.37
  5. Step 5: Solve for x
    x = 26,972,370,764.37/188,531.73
  6. Step 6: Final answer
    x = 143,065.42

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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.