Home / 188,915.48-260,675.80-107,231.04

Finding the Fourth Proportional to 188,915.48, 260,675.80 and 107,231.04

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Solution

The fourth proportional to 188,915.48, 260,675.80 and 107,231.04 is: 147,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,915.48 : 260,675.80 = 107,231.04 : x
  2. Step 2: Convert to fraction form
    188,915.48/260,675.80 = 107,231.04/x
  3. Step 3: Cross multiply
    188,915.48x = 260,675.80 × 107,231.04
  4. Step 4: Simplify right side
    188,915.48x = 27,952,537,136.83
  5. Step 5: Solve for x
    x = 27,952,537,136.83/188,915.48
  6. Step 6: Final answer
    x = 147,963.19

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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.