Home / 120,770.12-166,667.96-67,055.13

Finding the Fourth Proportional to 120,770.12, 166,667.96 and 67,055.13

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Solution

The fourth proportional to 120,770.12, 166,667.96 and 67,055.13 is: 92,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,770.12 : 166,667.96 = 67,055.13 : x
  2. Step 2: Convert to fraction form
    120,770.12/166,667.96 = 67,055.13/x
  3. Step 3: Cross multiply
    120,770.12x = 166,667.96 × 67,055.13
  4. Step 4: Simplify right side
    120,770.12x = 11,175,941,892.27
  5. Step 5: Solve for x
    x = 11,175,941,892.27/120,770.12
  6. Step 6: Final answer
    x = 92,538.96

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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.