Home / 172,905.10-238,610.85-97,453.60

Finding the Fourth Proportional to 172,905.10, 238,610.85 and 97,453.60

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Solution

The fourth proportional to 172,905.10, 238,610.85 and 97,453.60 is: 134,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,905.10 : 238,610.85 = 97,453.60 : x
  2. Step 2: Convert to fraction form
    172,905.10/238,610.85 = 97,453.60/x
  3. Step 3: Cross multiply
    172,905.10x = 238,610.85 × 97,453.60
  4. Step 4: Simplify right side
    172,905.10x = 23,253,486,331.56
  5. Step 5: Solve for x
    x = 23,253,486,331.56/172,905.10
  6. Step 6: Final answer
    x = 134,486.99

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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.