Home / 131,806.29-197,740.73-43,059.66

Finding the Fourth Proportional to 131,806.29, 197,740.73 and 43,059.66

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Solution

The fourth proportional to 131,806.29, 197,740.73 and 43,059.66 is: 64,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.29 : 197,740.73 = 43,059.66 : x
  2. Step 2: Convert to fraction form
    131,806.29/197,740.73 = 43,059.66/x
  3. Step 3: Cross multiply
    131,806.29x = 197,740.73 × 43,059.66
  4. Step 4: Simplify right side
    131,806.29x = 8,514,648,601.95
  5. Step 5: Solve for x
    x = 8,514,648,601.95/131,806.29
  6. Step 6: Final answer
    x = 64,599.71

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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.