Home / 188,531.91-260,146.97-110,961.45

Finding the Fourth Proportional to 188,531.91, 260,146.97 and 110,961.45

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Solution

The fourth proportional to 188,531.91, 260,146.97 and 110,961.45 is: 153,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,531.91 : 260,146.97 = 110,961.45 : x
  2. Step 2: Convert to fraction form
    188,531.91/260,146.97 = 110,961.45/x
  3. Step 3: Cross multiply
    188,531.91x = 260,146.97 × 110,961.45
  4. Step 4: Simplify right side
    188,531.91x = 28,866,285,281.71
  5. Step 5: Solve for x
    x = 28,866,285,281.71/188,531.91
  6. Step 6: Final answer
    x = 153,110.87

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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.