Home / 170,733.40-255,773.70-91,821.40

Finding the Fourth Proportional to 170,733.40, 255,773.70 and 91,821.40

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Solution

The fourth proportional to 170,733.40, 255,773.70 and 91,821.40 is: 137,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,733.40 : 255,773.70 = 91,821.40 : x
  2. Step 2: Convert to fraction form
    170,733.40/255,773.70 = 91,821.40/x
  3. Step 3: Cross multiply
    170,733.40x = 255,773.70 × 91,821.40
  4. Step 4: Simplify right side
    170,733.40x = 23,485,499,217.18
  5. Step 5: Solve for x
    x = 23,485,499,217.18/170,733.40
  6. Step 6: Final answer
    x = 137,556.56

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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.