Home / 100,166.45-150,257.49-29,090.25

Finding the Fourth Proportional to 100,166.45, 150,257.49 and 29,090.25

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Solution

The fourth proportional to 100,166.45, 150,257.49 and 29,090.25 is: 43,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,166.45 : 150,257.49 = 29,090.25 : x
  2. Step 2: Convert to fraction form
    100,166.45/150,257.49 = 29,090.25/x
  3. Step 3: Cross multiply
    100,166.45x = 150,257.49 × 29,090.25
  4. Step 4: Simplify right side
    100,166.45x = 4,371,027,948.47
  5. Step 5: Solve for x
    x = 4,371,027,948.47/100,166.45
  6. Step 6: Final answer
    x = 43,637.64

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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.