Home / 170,125.13-255,016.14-106,990.37

Finding the Fourth Proportional to 170,125.13, 255,016.14 and 106,990.37

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Solution

The fourth proportional to 170,125.13, 255,016.14 and 106,990.37 is: 160,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,125.13 : 255,016.14 = 106,990.37 : x
  2. Step 2: Convert to fraction form
    170,125.13/255,016.14 = 106,990.37/x
  3. Step 3: Cross multiply
    170,125.13x = 255,016.14 × 106,990.37
  4. Step 4: Simplify right side
    170,125.13x = 27,284,269,899.49
  5. Step 5: Solve for x
    x = 27,284,269,899.49/170,125.13
  6. Step 6: Final answer
    x = 160,377.66

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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.