Home / 132,308.60-197,976.90-97,316.60

Finding the Fourth Proportional to 132,308.60, 197,976.90 and 97,316.60

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Solution

The fourth proportional to 132,308.60, 197,976.90 and 97,316.60 is: 145,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.60 : 197,976.90 = 97,316.60 : x
  2. Step 2: Convert to fraction form
    132,308.60/197,976.90 = 97,316.60/x
  3. Step 3: Cross multiply
    132,308.60x = 197,976.90 × 97,316.60
  4. Step 4: Simplify right side
    132,308.60x = 19,266,438,786.54
  5. Step 5: Solve for x
    x = 19,266,438,786.54/132,308.60
  6. Step 6: Final answer
    x = 145,617.43

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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.