Home / 120,568.02-166,385.86-66,855.30

Finding the Fourth Proportional to 120,568.02, 166,385.86 and 66,855.30

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Solution

The fourth proportional to 120,568.02, 166,385.86 and 66,855.30 is: 92,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,568.02 : 166,385.86 = 66,855.30 : x
  2. Step 2: Convert to fraction form
    120,568.02/166,385.86 = 66,855.30/x
  3. Step 3: Cross multiply
    120,568.02x = 166,385.86 × 66,855.30
  4. Step 4: Simplify right side
    120,568.02x = 11,123,776,586.06
  5. Step 5: Solve for x
    x = 11,123,776,586.06/120,568.02
  6. Step 6: Final answer
    x = 92,261.42

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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.