Home / 106,217.15-159,270.83-31,327.74

Finding the Fourth Proportional to 106,217.15, 159,270.83 and 31,327.74

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Solution

The fourth proportional to 106,217.15, 159,270.83 and 31,327.74 is: 46,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,217.15 : 159,270.83 = 31,327.74 : x
  2. Step 2: Convert to fraction form
    106,217.15/159,270.83 = 31,327.74/x
  3. Step 3: Cross multiply
    106,217.15x = 159,270.83 × 31,327.74
  4. Step 4: Simplify right side
    106,217.15x = 4,989,595,194.27
  5. Step 5: Solve for x
    x = 4,989,595,194.27/106,217.15
  6. Step 6: Final answer
    x = 46,975.42

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1.5x scale

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.