Home / 120,354.66-166,076.02-66,626.22

Finding the Fourth Proportional to 120,354.66, 166,076.02 and 66,626.22

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Solution

The fourth proportional to 120,354.66, 166,076.02 and 66,626.22 is: 91,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,354.66 : 166,076.02 = 66,626.22 : x
  2. Step 2: Convert to fraction form
    120,354.66/166,076.02 = 66,626.22/x
  3. Step 3: Cross multiply
    120,354.66x = 166,076.02 × 66,626.22
  4. Step 4: Simplify right side
    120,354.66x = 11,065,017,445.24
  5. Step 5: Solve for x
    x = 11,065,017,445.24/120,354.66
  6. Step 6: Final answer
    x = 91,936.76

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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.