Home / 146,724.72-202,480.96-86,297.92

Finding the Fourth Proportional to 146,724.72, 202,480.96 and 86,297.92

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Solution

The fourth proportional to 146,724.72, 202,480.96 and 86,297.92 is: 119,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,724.72 : 202,480.96 = 86,297.92 : x
  2. Step 2: Convert to fraction form
    146,724.72/202,480.96 = 86,297.92/x
  3. Step 3: Cross multiply
    146,724.72x = 202,480.96 × 86,297.92
  4. Step 4: Simplify right side
    146,724.72x = 17,473,685,687.60
  5. Step 5: Solve for x
    x = 17,473,685,687.60/146,724.72
  6. Step 6: Final answer
    x = 119,091.63

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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.