Home / 120,732.24-166,608.86-67,017.12

Finding the Fourth Proportional to 120,732.24, 166,608.86 and 67,017.12

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Solution

The fourth proportional to 120,732.24, 166,608.86 and 67,017.12 is: 92,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,732.24 : 166,608.86 = 67,017.12 : x
  2. Step 2: Convert to fraction form
    120,732.24/166,608.86 = 67,017.12/x
  3. Step 3: Cross multiply
    120,732.24x = 166,608.86 × 67,017.12
  4. Step 4: Simplify right side
    120,732.24x = 11,165,645,963.68
  5. Step 5: Solve for x
    x = 11,165,645,963.68/120,732.24
  6. Step 6: Final answer
    x = 92,482.72

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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.