Home / 120,522.93-166,331.84-66,824.79

Finding the Fourth Proportional to 120,522.93, 166,331.84 and 66,824.79

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Solution

The fourth proportional to 120,522.93, 166,331.84 and 66,824.79 is: 92,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,522.93 : 166,331.84 = 66,824.79 : x
  2. Step 2: Convert to fraction form
    120,522.93/166,331.84 = 66,824.79/x
  3. Step 3: Cross multiply
    120,522.93x = 166,331.84 × 66,824.79
  4. Step 4: Simplify right side
    120,522.93x = 11,115,090,278.31
  5. Step 5: Solve for x
    x = 11,115,090,278.31/120,522.93
  6. Step 6: Final answer
    x = 92,223.86

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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.