Home / 120,433.43-166,208.33-66,735.29

Finding the Fourth Proportional to 120,433.43, 166,208.33 and 66,735.29

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Solution

The fourth proportional to 120,433.43, 166,208.33 and 66,735.29 is: 92,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,433.43 : 166,208.33 = 66,735.29 : x
  2. Step 2: Convert to fraction form
    120,433.43/166,208.33 = 66,735.29/x
  3. Step 3: Cross multiply
    120,433.43x = 166,208.33 × 66,735.29
  4. Step 4: Simplify right side
    120,433.43x = 11,091,960,438.76
  5. Step 5: Solve for x
    x = 11,091,960,438.76/120,433.43
  6. Step 6: Final answer
    x = 92,100.35

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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.