Home / 146,424.06-202,069.89-81,013.92

Finding the Fourth Proportional to 146,424.06, 202,069.89 and 81,013.92

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Solution

The fourth proportional to 146,424.06, 202,069.89 and 81,013.92 is: 111,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,424.06 : 202,069.89 = 81,013.92 : x
  2. Step 2: Convert to fraction form
    146,424.06/202,069.89 = 81,013.92/x
  3. Step 3: Cross multiply
    146,424.06x = 202,069.89 × 81,013.92
  4. Step 4: Simplify right side
    146,424.06x = 16,370,473,902.87
  5. Step 5: Solve for x
    x = 16,370,473,902.87/146,424.06
  6. Step 6: Final answer
    x = 111,801.80

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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.