Home / 172,929.20-238,637.44-96,450.60

Finding the Fourth Proportional to 172,929.20, 238,637.44 and 96,450.60

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Solution

The fourth proportional to 172,929.20, 238,637.44 and 96,450.60 is: 133,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,929.20 : 238,637.44 = 96,450.60 : x
  2. Step 2: Convert to fraction form
    172,929.20/238,637.44 = 96,450.60/x
  3. Step 3: Cross multiply
    172,929.20x = 238,637.44 × 96,450.60
  4. Step 4: Simplify right side
    172,929.20x = 23,016,724,270.46
  5. Step 5: Solve for x
    x = 23,016,724,270.46/172,929.20
  6. Step 6: Final answer
    x = 133,099.12

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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.