Home / 188,222.16-282,084.02-138,067.44

Finding the Fourth Proportional to 188,222.16, 282,084.02 and 138,067.44

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Solution

The fourth proportional to 188,222.16, 282,084.02 and 138,067.44 is: 206,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,222.16 : 282,084.02 = 138,067.44 : x
  2. Step 2: Convert to fraction form
    188,222.16/282,084.02 = 138,067.44/x
  3. Step 3: Cross multiply
    188,222.16x = 282,084.02 × 138,067.44
  4. Step 4: Simplify right side
    188,222.16x = 38,946,618,506.31
  5. Step 5: Solve for x
    x = 38,946,618,506.31/188,222.16
  6. Step 6: Final answer
    x = 206,918.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.