Home / 140,791.48-194,136.62-108,454.29

Finding the Fourth Proportional to 140,791.48, 194,136.62 and 108,454.29

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Solution

The fourth proportional to 140,791.48, 194,136.62 and 108,454.29 is: 149,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,791.48 : 194,136.62 = 108,454.29 : x
  2. Step 2: Convert to fraction form
    140,791.48/194,136.62 = 108,454.29/x
  3. Step 3: Cross multiply
    140,791.48x = 194,136.62 × 108,454.29
  4. Step 4: Simplify right side
    140,791.48x = 21,054,949,957.87
  5. Step 5: Solve for x
    x = 21,054,949,957.87/140,791.48
  6. Step 6: Final answer
    x = 149,547.04

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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.