Home / 197,135.15-272,046.28-106,491.11

Finding the Fourth Proportional to 197,135.15, 272,046.28 and 106,491.11

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Solution

The fourth proportional to 197,135.15, 272,046.28 and 106,491.11 is: 146,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,135.15 : 272,046.28 = 106,491.11 : x
  2. Step 2: Convert to fraction form
    197,135.15/272,046.28 = 106,491.11/x
  3. Step 3: Cross multiply
    197,135.15x = 272,046.28 × 106,491.11
  4. Step 4: Simplify right side
    197,135.15x = 28,970,509,351.04
  5. Step 5: Solve for x
    x = 28,970,509,351.04/197,135.15
  6. Step 6: Final answer
    x = 146,957.60

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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.