Home / 120,548.20-166,356.56-66,833.88

Finding the Fourth Proportional to 120,548.20, 166,356.56 and 66,833.88

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Solution

The fourth proportional to 120,548.20, 166,356.56 and 66,833.88 is: 92,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,548.20 : 166,356.56 = 66,833.88 : x
  2. Step 2: Convert to fraction form
    120,548.20/166,356.56 = 66,833.88/x
  3. Step 3: Cross multiply
    120,548.20x = 166,356.56 × 66,833.88
  4. Step 4: Simplify right side
    120,548.20x = 11,118,254,368.25
  5. Step 5: Solve for x
    x = 11,118,254,368.25/120,548.20
  6. Step 6: Final answer
    x = 92,230.78

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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.