Home / 106,268.44-159,008.92-78,209.22

Finding the Fourth Proportional to 106,268.44, 159,008.92 and 78,209.22

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Solution

The fourth proportional to 106,268.44, 159,008.92 and 78,209.22 is: 117,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,268.44 : 159,008.92 = 78,209.22 : x
  2. Step 2: Convert to fraction form
    106,268.44/159,008.92 = 78,209.22/x
  3. Step 3: Cross multiply
    106,268.44x = 159,008.92 × 78,209.22
  4. Step 4: Simplify right side
    106,268.44x = 12,435,963,606.24
  5. Step 5: Solve for x
    x = 12,435,963,606.24/106,268.44
  6. Step 6: Final answer
    x = 117,024.05

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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.