Home / 197,251.76-272,202.36-107,822

Finding the Fourth Proportional to 197,251.76, 272,202.36 and 107,822

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Solution

The fourth proportional to 197,251.76, 272,202.36 and 107,822 is: 148,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,251.76 : 272,202.36 = 107,822 : x
  2. Step 2: Convert to fraction form
    197,251.76/272,202.36 = 107,822/x
  3. Step 3: Cross multiply
    197,251.76x = 272,202.36 × 107,822
  4. Step 4: Simplify right side
    197,251.76x = 29,349,402,859.92
  5. Step 5: Solve for x
    x = 29,349,402,859.92/197,251.76
  6. Step 6: Final answer
    x = 148,791.59

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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.