Home / 197,517.32-272,571.96-106,871.30

Finding the Fourth Proportional to 197,517.32, 272,571.96 and 106,871.30

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Solution

The fourth proportional to 197,517.32, 272,571.96 and 106,871.30 is: 147,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,517.32 : 272,571.96 = 106,871.30 : x
  2. Step 2: Convert to fraction form
    197,517.32/272,571.96 = 106,871.30/x
  3. Step 3: Cross multiply
    197,517.32x = 272,571.96 × 106,871.30
  4. Step 4: Simplify right side
    197,517.32x = 29,130,119,768.80
  5. Step 5: Solve for x
    x = 29,130,119,768.80/197,517.32
  6. Step 6: Final answer
    x = 147,481.34

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1.5x scale

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.