Home / 170,193.81-255,009.24-103,431.18

Finding the Fourth Proportional to 170,193.81, 255,009.24 and 103,431.18

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Solution

The fourth proportional to 170,193.81, 255,009.24 and 103,431.18 is: 154,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,193.81 : 255,009.24 = 103,431.18 : x
  2. Step 2: Convert to fraction form
    170,193.81/255,009.24 = 103,431.18/x
  3. Step 3: Cross multiply
    170,193.81x = 255,009.24 × 103,431.18
  4. Step 4: Simplify right side
    170,193.81x = 26,375,906,604.10
  5. Step 5: Solve for x
    x = 26,375,906,604.10/170,193.81
  6. Step 6: Final answer
    x = 154,975.71

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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.