Home / 106,683.87-160,126.25-54,131.07

Finding the Fourth Proportional to 106,683.87, 160,126.25 and 54,131.07

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Solution

The fourth proportional to 106,683.87, 160,126.25 and 54,131.07 is: 81,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,683.87 : 160,126.25 = 54,131.07 : x
  2. Step 2: Convert to fraction form
    106,683.87/160,126.25 = 54,131.07/x
  3. Step 3: Cross multiply
    106,683.87x = 160,126.25 × 54,131.07
  4. Step 4: Simplify right side
    106,683.87x = 8,667,804,976.93
  5. Step 5: Solve for x
    x = 8,667,804,976.93/106,683.87
  6. Step 6: Final answer
    x = 81,247.57

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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.