Home / 170,195.81-255,012.24-103,433.18

Finding the Fourth Proportional to 170,195.81, 255,012.24 and 103,433.18

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Solution

The fourth proportional to 170,195.81, 255,012.24 and 103,433.18 is: 154,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,195.81 : 255,012.24 = 103,433.18 : x
  2. Step 2: Convert to fraction form
    170,195.81/255,012.24 = 103,433.18/x
  3. Step 3: Cross multiply
    170,195.81x = 255,012.24 × 103,433.18
  4. Step 4: Simplify right side
    170,195.81x = 26,376,726,922.12
  5. Step 5: Solve for x
    x = 26,376,726,922.12/170,195.81
  6. Step 6: Final answer
    x = 154,978.71

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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.