Home / 120,731.04-166,591.08-67,016.48

Finding the Fourth Proportional to 120,731.04, 166,591.08 and 67,016.48

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Solution

The fourth proportional to 120,731.04, 166,591.08 and 67,016.48 is: 92,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,731.04 : 166,591.08 = 67,016.48 : x
  2. Step 2: Convert to fraction form
    120,731.04/166,591.08 = 67,016.48/x
  3. Step 3: Cross multiply
    120,731.04x = 166,591.08 × 67,016.48
  4. Step 4: Simplify right side
    120,731.04x = 11,164,347,781.00
  5. Step 5: Solve for x
    x = 11,164,347,781.00/120,731.04
  6. Step 6: Final answer
    x = 92,472.89

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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.