Home / 197,581.80-272,660.52-106,935.61

Finding the Fourth Proportional to 197,581.80, 272,660.52 and 106,935.61

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Solution

The fourth proportional to 197,581.80, 272,660.52 and 106,935.61 is: 147,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,581.80 : 272,660.52 = 106,935.61 : x
  2. Step 2: Convert to fraction form
    197,581.80/272,660.52 = 106,935.61/x
  3. Step 3: Cross multiply
    197,581.80x = 272,660.52 × 106,935.61
  4. Step 4: Simplify right side
    197,581.80x = 29,157,118,347.47
  5. Step 5: Solve for x
    x = 29,157,118,347.47/197,581.80
  6. Step 6: Final answer
    x = 147,569.86

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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.