Home / 120,675.38-166,529.48-66,959.24

Finding the Fourth Proportional to 120,675.38, 166,529.48 and 66,959.24

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Solution

The fourth proportional to 120,675.38, 166,529.48 and 66,959.24 is: 92,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,675.38 : 166,529.48 = 66,959.24 : x
  2. Step 2: Convert to fraction form
    120,675.38/166,529.48 = 66,959.24/x
  3. Step 3: Cross multiply
    120,675.38x = 166,529.48 × 66,959.24
  4. Step 4: Simplify right side
    120,675.38x = 11,150,687,418.40
  5. Step 5: Solve for x
    x = 11,150,687,418.40/120,675.38
  6. Step 6: Final answer
    x = 92,402.34

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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.