Home / 202,542.66-279,532.62-122,010.84

Finding the Fourth Proportional to 202,542.66, 279,532.62 and 122,010.84

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Solution

The fourth proportional to 202,542.66, 279,532.62 and 122,010.84 is: 168,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,542.66 : 279,532.62 = 122,010.84 : x
  2. Step 2: Convert to fraction form
    202,542.66/279,532.62 = 122,010.84/x
  3. Step 3: Cross multiply
    202,542.66x = 279,532.62 × 122,010.84
  4. Step 4: Simplify right side
    202,542.66x = 34,106,009,773.60
  5. Step 5: Solve for x
    x = 34,106,009,773.60/202,542.66
  6. Step 6: Final answer
    x = 168,389.27

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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.