Home / 155,161.62-232,844.49-85,090.14

Finding the Fourth Proportional to 155,161.62, 232,844.49 and 85,090.14

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Solution

The fourth proportional to 155,161.62, 232,844.49 and 85,090.14 is: 127,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,161.62 : 232,844.49 = 85,090.14 : x
  2. Step 2: Convert to fraction form
    155,161.62/232,844.49 = 85,090.14/x
  3. Step 3: Cross multiply
    155,161.62x = 232,844.49 × 85,090.14
  4. Step 4: Simplify right side
    155,161.62x = 19,812,770,252.33
  5. Step 5: Solve for x
    x = 19,812,770,252.33/155,161.62
  6. Step 6: Final answer
    x = 127,691.18

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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.