Home / 97,918.40-146,877.60-68,273.60

Finding the Fourth Proportional to 97,918.40, 146,877.60 and 68,273.60

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Solution

The fourth proportional to 97,918.40, 146,877.60 and 68,273.60 is: 102,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,918.40 : 146,877.60 = 68,273.60 : x
  2. Step 2: Convert to fraction form
    97,918.40/146,877.60 = 68,273.60/x
  3. Step 3: Cross multiply
    97,918.40x = 146,877.60 × 68,273.60
  4. Step 4: Simplify right side
    97,918.40x = 10,027,862,511.36
  5. Step 5: Solve for x
    x = 10,027,862,511.36/97,918.40
  6. Step 6: Final answer
    x = 102,410.40

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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.