Home / 106,217.23-159,270.96-31,327.84

Finding the Fourth Proportional to 106,217.23, 159,270.96 and 31,327.84

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Solution

The fourth proportional to 106,217.23, 159,270.96 and 31,327.84 is: 46,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,217.23 : 159,270.96 = 31,327.84 : x
  2. Step 2: Convert to fraction form
    106,217.23/159,270.96 = 31,327.84/x
  3. Step 3: Cross multiply
    106,217.23x = 159,270.96 × 31,327.84
  4. Step 4: Simplify right side
    106,217.23x = 4,989,614,355.17
  5. Step 5: Solve for x
    x = 4,989,614,355.17/106,217.23
  6. Step 6: Final answer
    x = 46,975.57

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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.