Home / 188,579.40-260,239.56-103,696.44

Finding the Fourth Proportional to 188,579.40, 260,239.56 and 103,696.44

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Solution

The fourth proportional to 188,579.40, 260,239.56 and 103,696.44 is: 143,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,579.40 : 260,239.56 = 103,696.44 : x
  2. Step 2: Convert to fraction form
    188,579.40/260,239.56 = 103,696.44/x
  3. Step 3: Cross multiply
    188,579.40x = 260,239.56 × 103,696.44
  4. Step 4: Simplify right side
    188,579.40x = 26,985,915,919.17
  5. Step 5: Solve for x
    x = 26,985,915,919.17/188,579.40
  6. Step 6: Final answer
    x = 143,101.08

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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.