Home / 120,352.73-166,091.96-66,637.74

Finding the Fourth Proportional to 120,352.73, 166,091.96 and 66,637.74

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Solution

The fourth proportional to 120,352.73, 166,091.96 and 66,637.74 is: 91,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,352.73 : 166,091.96 = 66,637.74 : x
  2. Step 2: Convert to fraction form
    120,352.73/166,091.96 = 66,637.74/x
  3. Step 3: Cross multiply
    120,352.73x = 166,091.96 × 66,637.74
  4. Step 4: Simplify right side
    120,352.73x = 11,067,992,513.38
  5. Step 5: Solve for x
    x = 11,067,992,513.38/120,352.73
  6. Step 6: Final answer
    x = 91,962.96

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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.