Home / 134,979.40-202,469.10-97,654.60

Finding the Fourth Proportional to 134,979.40, 202,469.10 and 97,654.60

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Solution

The fourth proportional to 134,979.40, 202,469.10 and 97,654.60 is: 146,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,979.40 : 202,469.10 = 97,654.60 : x
  2. Step 2: Convert to fraction form
    134,979.40/202,469.10 = 97,654.60/x
  3. Step 3: Cross multiply
    134,979.40x = 202,469.10 × 97,654.60
  4. Step 4: Simplify right side
    134,979.40x = 19,772,038,972.86
  5. Step 5: Solve for x
    x = 19,772,038,972.86/134,979.40
  6. Step 6: Final answer
    x = 146,481.90

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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.