Home / 106,317.22-159,476.19-72,936.11

Finding the Fourth Proportional to 106,317.22, 159,476.19 and 72,936.11

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Solution

The fourth proportional to 106,317.22, 159,476.19 and 72,936.11 is: 109,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,317.22 : 159,476.19 = 72,936.11 : x
  2. Step 2: Convert to fraction form
    106,317.22/159,476.19 = 72,936.11/x
  3. Step 3: Cross multiply
    106,317.22x = 159,476.19 × 72,936.11
  4. Step 4: Simplify right side
    106,317.22x = 11,631,571,774.16
  5. Step 5: Solve for x
    x = 11,631,571,774.16/106,317.22
  6. Step 6: Final answer
    x = 109,404.40

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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.