Home / 134,675.72-202,138.22-68,162.57

Finding the Fourth Proportional to 134,675.72, 202,138.22 and 68,162.57

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Solution

The fourth proportional to 134,675.72, 202,138.22 and 68,162.57 is: 102,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,675.72 : 202,138.22 = 68,162.57 : x
  2. Step 2: Convert to fraction form
    134,675.72/202,138.22 = 68,162.57/x
  3. Step 3: Cross multiply
    134,675.72x = 202,138.22 × 68,162.57
  4. Step 4: Simplify right side
    134,675.72x = 13,778,260,570.43
  5. Step 5: Solve for x
    x = 13,778,260,570.43/134,675.72
  6. Step 6: Final answer
    x = 102,306.94

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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.