Home / 130,867.82-196,399.44-97,211.56

Finding the Fourth Proportional to 130,867.82, 196,399.44 and 97,211.56

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Solution

The fourth proportional to 130,867.82, 196,399.44 and 97,211.56 is: 145,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,867.82 : 196,399.44 = 97,211.56 : x
  2. Step 2: Convert to fraction form
    130,867.82/196,399.44 = 97,211.56/x
  3. Step 3: Cross multiply
    130,867.82x = 196,399.44 × 97,211.56
  4. Step 4: Simplify right side
    130,867.82x = 19,092,295,454.53
  5. Step 5: Solve for x
    x = 19,092,295,454.53/130,867.82
  6. Step 6: Final answer
    x = 145,889.91

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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.