Home / 135,079.90-202,756.95-67,660.25

Finding the Fourth Proportional to 135,079.90, 202,756.95 and 67,660.25

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Solution

The fourth proportional to 135,079.90, 202,756.95 and 67,660.25 is: 101,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,079.90 : 202,756.95 = 67,660.25 : x
  2. Step 2: Convert to fraction form
    135,079.90/202,756.95 = 67,660.25/x
  3. Step 3: Cross multiply
    135,079.90x = 202,756.95 × 67,660.25
  4. Step 4: Simplify right side
    135,079.90x = 13,718,584,912.45
  5. Step 5: Solve for x
    x = 13,718,584,912.45/135,079.90
  6. Step 6: Final answer
    x = 101,559.04

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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.