Home / 146,480.81-202,147.45-82,828.17

Finding the Fourth Proportional to 146,480.81, 202,147.45 and 82,828.17

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Solution

The fourth proportional to 146,480.81, 202,147.45 and 82,828.17 is: 114,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,480.81 : 202,147.45 = 82,828.17 : x
  2. Step 2: Convert to fraction form
    146,480.81/202,147.45 = 82,828.17/x
  3. Step 3: Cross multiply
    146,480.81x = 202,147.45 × 82,828.17
  4. Step 4: Simplify right side
    146,480.81x = 16,743,503,146.60
  5. Step 5: Solve for x
    x = 16,743,503,146.60/146,480.81
  6. Step 6: Final answer
    x = 114,305.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.