Home / 106,322.22-159,487.29-36,192.78

Finding the Fourth Proportional to 106,322.22, 159,487.29 and 36,192.78

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Solution

The fourth proportional to 106,322.22, 159,487.29 and 36,192.78 is: 54,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,322.22 : 159,487.29 = 36,192.78 : x
  2. Step 2: Convert to fraction form
    106,322.22/159,487.29 = 36,192.78/x
  3. Step 3: Cross multiply
    106,322.22x = 159,487.29 × 36,192.78
  4. Step 4: Simplify right side
    106,322.22x = 5,772,288,399.77
  5. Step 5: Solve for x
    x = 5,772,288,399.77/106,322.22
  6. Step 6: Final answer
    x = 54,290.52

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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.