Home / 110,438.06-165,329.83-68,182.28

Finding the Fourth Proportional to 110,438.06, 165,329.83 and 68,182.28

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Solution

The fourth proportional to 110,438.06, 165,329.83 and 68,182.28 is: 102,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,438.06 : 165,329.83 = 68,182.28 : x
  2. Step 2: Convert to fraction form
    110,438.06/165,329.83 = 68,182.28/x
  3. Step 3: Cross multiply
    110,438.06x = 165,329.83 × 68,182.28
  4. Step 4: Simplify right side
    110,438.06x = 11,272,564,761.41
  5. Step 5: Solve for x
    x = 11,272,564,761.41/110,438.06
  6. Step 6: Final answer
    x = 102,071.38

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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.