Home / 197,655.31-272,764.52-107,011.34

Finding the Fourth Proportional to 197,655.31, 272,764.52 and 107,011.34

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Solution

The fourth proportional to 197,655.31, 272,764.52 and 107,011.34 is: 147,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,655.31 : 272,764.52 = 107,011.34 : x
  2. Step 2: Convert to fraction form
    197,655.31/272,764.52 = 107,011.34/x
  3. Step 3: Cross multiply
    197,655.31x = 272,764.52 × 107,011.34
  4. Step 4: Simplify right side
    197,655.31x = 29,188,896,789.66
  5. Step 5: Solve for x
    x = 29,188,896,789.66/197,655.31
  6. Step 6: Final answer
    x = 147,675.75

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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.