Home / 146,369.13-201,986.78-82,705.56

Finding the Fourth Proportional to 146,369.13, 201,986.78 and 82,705.56

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Solution

The fourth proportional to 146,369.13, 201,986.78 and 82,705.56 is: 114,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,369.13 : 201,986.78 = 82,705.56 : x
  2. Step 2: Convert to fraction form
    146,369.13/201,986.78 = 82,705.56/x
  3. Step 3: Cross multiply
    146,369.13x = 201,986.78 × 82,705.56
  4. Step 4: Simplify right side
    146,369.13x = 16,705,429,338.97
  5. Step 5: Solve for x
    x = 16,705,429,338.97/146,369.13
  6. Step 6: Final answer
    x = 114,132.19

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1.5x scale

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.