Home / 131,427.36-197,236.08-52,563.60

Finding the Fourth Proportional to 131,427.36, 197,236.08 and 52,563.60

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Solution

The fourth proportional to 131,427.36, 197,236.08 and 52,563.60 is: 78,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.36 : 197,236.08 = 52,563.60 : x
  2. Step 2: Convert to fraction form
    131,427.36/197,236.08 = 52,563.60/x
  3. Step 3: Cross multiply
    131,427.36x = 197,236.08 × 52,563.60
  4. Step 4: Simplify right side
    131,427.36x = 10,367,438,414.69
  5. Step 5: Solve for x
    x = 10,367,438,414.69/131,427.36
  6. Step 6: Final answer
    x = 78,883.41

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1.5x scale

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.