Home / 197,517.35-272,572-106,871.32

Finding the Fourth Proportional to 197,517.35, 272,572 and 106,871.32

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Solution

The fourth proportional to 197,517.35, 272,572 and 106,871.32 is: 147,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,517.35 : 272,572 = 106,871.32 : x
  2. Step 2: Convert to fraction form
    197,517.35/272,572 = 106,871.32/x
  3. Step 3: Cross multiply
    197,517.35x = 272,572 × 106,871.32
  4. Step 4: Simplify right side
    197,517.35x = 29,130,129,435.04
  5. Step 5: Solve for x
    x = 29,130,129,435.04/197,517.35
  6. Step 6: Final answer
    x = 147,481.37

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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.