Home / 106,116.15-159,179.90-27,231.06

Finding the Fourth Proportional to 106,116.15, 159,179.90 and 27,231.06

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Solution

The fourth proportional to 106,116.15, 159,179.90 and 27,231.06 is: 40,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,116.15 : 159,179.90 = 27,231.06 : x
  2. Step 2: Convert to fraction form
    106,116.15/159,179.90 = 27,231.06/x
  3. Step 3: Cross multiply
    106,116.15x = 159,179.90 × 27,231.06
  4. Step 4: Simplify right side
    106,116.15x = 4,334,637,407.69
  5. Step 5: Solve for x
    x = 4,334,637,407.69/106,116.15
  6. Step 6: Final answer
    x = 40,848.05

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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.