Home / 106,764.90-160,147.35-67,496.10

Finding the Fourth Proportional to 106,764.90, 160,147.35 and 67,496.10

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Solution

The fourth proportional to 106,764.90, 160,147.35 and 67,496.10 is: 101,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.90 : 160,147.35 = 67,496.10 : x
  2. Step 2: Convert to fraction form
    106,764.90/160,147.35 = 67,496.10/x
  3. Step 3: Cross multiply
    106,764.90x = 160,147.35 × 67,496.10
  4. Step 4: Simplify right side
    106,764.90x = 10,809,321,550.34
  5. Step 5: Solve for x
    x = 10,809,321,550.34/106,764.90
  6. Step 6: Final answer
    x = 101,244.15

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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.