Home / 188,467.74-260,087.49-103,587.30

Finding the Fourth Proportional to 188,467.74, 260,087.49 and 103,587.30

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Solution

The fourth proportional to 188,467.74, 260,087.49 and 103,587.30 is: 142,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,467.74 : 260,087.49 = 103,587.30 : x
  2. Step 2: Convert to fraction form
    188,467.74/260,087.49 = 103,587.30/x
  3. Step 3: Cross multiply
    188,467.74x = 260,087.49 × 103,587.30
  4. Step 4: Simplify right side
    188,467.74x = 26,941,760,852.88
  5. Step 5: Solve for x
    x = 26,941,760,852.88/188,467.74
  6. Step 6: Final answer
    x = 142,951.58

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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.