Home / 197,523.47-272,581.63-106,879.61

Finding the Fourth Proportional to 197,523.47, 272,581.63 and 106,879.61

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Solution

The fourth proportional to 197,523.47, 272,581.63 and 106,879.61 is: 147,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,523.47 : 272,581.63 = 106,879.61 : x
  2. Step 2: Convert to fraction form
    197,523.47/272,581.63 = 106,879.61/x
  3. Step 3: Cross multiply
    197,523.47x = 272,581.63 × 106,879.61
  4. Step 4: Simplify right side
    197,523.47x = 29,133,418,721.82
  5. Step 5: Solve for x
    x = 29,133,418,721.82/197,523.47
  6. Step 6: Final answer
    x = 147,493.45

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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.