Home / 106,195.56-159,296.79-31,309.43

Finding the Fourth Proportional to 106,195.56, 159,296.79 and 31,309.43

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Solution

The fourth proportional to 106,195.56, 159,296.79 and 31,309.43 is: 46,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,195.56 : 159,296.79 = 31,309.43 : x
  2. Step 2: Convert to fraction form
    106,195.56/159,296.79 = 31,309.43/x
  3. Step 3: Cross multiply
    106,195.56x = 159,296.79 × 31,309.43
  4. Step 4: Simplify right side
    106,195.56x = 4,987,490,899.25
  5. Step 5: Solve for x
    x = 4,987,490,899.25/106,195.56
  6. Step 6: Final answer
    x = 46,965.15

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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.