Home / 131,748.77-197,628.62-38,254.52

Finding the Fourth Proportional to 131,748.77, 197,628.62 and 38,254.52

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Solution

The fourth proportional to 131,748.77, 197,628.62 and 38,254.52 is: 57,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,748.77 : 197,628.62 = 38,254.52 : x
  2. Step 2: Convert to fraction form
    131,748.77/197,628.62 = 38,254.52/x
  3. Step 3: Cross multiply
    131,748.77x = 197,628.62 × 38,254.52
  4. Step 4: Simplify right side
    131,748.77x = 7,560,187,996.36
  5. Step 5: Solve for x
    x = 7,560,187,996.36/131,748.77
  6. Step 6: Final answer
    x = 57,383.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.