Home / 106,321.19-159,496.37-31,447.22

Finding the Fourth Proportional to 106,321.19, 159,496.37 and 31,447.22

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Solution

The fourth proportional to 106,321.19, 159,496.37 and 31,447.22 is: 47,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.19 : 159,496.37 = 31,447.22 : x
  2. Step 2: Convert to fraction form
    106,321.19/159,496.37 = 31,447.22/x
  3. Step 3: Cross multiply
    106,321.19x = 159,496.37 × 31,447.22
  4. Step 4: Simplify right side
    106,321.19x = 5,015,717,279.36
  5. Step 5: Solve for x
    x = 5,015,717,279.36/106,321.19
  6. Step 6: Final answer
    x = 47,175.14

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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.