Home / 134,764.20-202,117.95-68,141.70

Finding the Fourth Proportional to 134,764.20, 202,117.95 and 68,141.70

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Solution

The fourth proportional to 134,764.20, 202,117.95 and 68,141.70 is: 102,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764.20 : 202,117.95 = 68,141.70 : x
  2. Step 2: Convert to fraction form
    134,764.20/202,117.95 = 68,141.70/x
  3. Step 3: Cross multiply
    134,764.20x = 202,117.95 × 68,141.70
  4. Step 4: Simplify right side
    134,764.20x = 13,772,660,713.52
  5. Step 5: Solve for x
    x = 13,772,660,713.52/134,764.20
  6. Step 6: Final answer
    x = 102,198.22

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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.