Home / 120,568.62-166,384.40-66,852.25

Finding the Fourth Proportional to 120,568.62, 166,384.40 and 66,852.25

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Solution

The fourth proportional to 120,568.62, 166,384.40 and 66,852.25 is: 92,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,568.62 : 166,384.40 = 66,852.25 : x
  2. Step 2: Convert to fraction form
    120,568.62/166,384.40 = 66,852.25/x
  3. Step 3: Cross multiply
    120,568.62x = 166,384.40 × 66,852.25
  4. Step 4: Simplify right side
    120,568.62x = 11,123,171,672.03
  5. Step 5: Solve for x
    x = 11,123,171,672.03/120,568.62
  6. Step 6: Final answer
    x = 92,255.95

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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.