Home / 197,636.07-272,737.87-106,992.04

Finding the Fourth Proportional to 197,636.07, 272,737.87 and 106,992.04

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Solution

The fourth proportional to 197,636.07, 272,737.87 and 106,992.04 is: 147,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,636.07 : 272,737.87 = 106,992.04 : x
  2. Step 2: Convert to fraction form
    197,636.07/272,737.87 = 106,992.04/x
  3. Step 3: Cross multiply
    197,636.07x = 272,737.87 × 106,992.04
  4. Step 4: Simplify right side
    197,636.07x = 29,180,781,096.55
  5. Step 5: Solve for x
    x = 29,180,781,096.55/197,636.07
  6. Step 6: Final answer
    x = 147,649.07

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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.