Home / 134,789.45-202,077.63-67,286.84

Finding the Fourth Proportional to 134,789.45, 202,077.63 and 67,286.84

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Solution

The fourth proportional to 134,789.45, 202,077.63 and 67,286.84 is: 100,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,789.45 : 202,077.63 = 67,286.84 : x
  2. Step 2: Convert to fraction form
    134,789.45/202,077.63 = 67,286.84/x
  3. Step 3: Cross multiply
    134,789.45x = 202,077.63 × 67,286.84
  4. Step 4: Simplify right side
    134,789.45x = 13,597,163,810.57
  5. Step 5: Solve for x
    x = 13,597,163,810.57/134,789.45
  6. Step 6: Final answer
    x = 100,877.07

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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.