Home / 120,801.60-166,708.47-67,091.65

Finding the Fourth Proportional to 120,801.60, 166,708.47 and 67,091.65

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Solution

The fourth proportional to 120,801.60, 166,708.47 and 67,091.65 is: 92,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,801.60 : 166,708.47 = 67,091.65 : x
  2. Step 2: Convert to fraction form
    120,801.60/166,708.47 = 67,091.65/x
  3. Step 3: Cross multiply
    120,801.60x = 166,708.47 × 67,091.65
  4. Step 4: Simplify right side
    120,801.60x = 11,184,746,321.28
  5. Step 5: Solve for x
    x = 11,184,746,321.28/120,801.60
  6. Step 6: Final answer
    x = 92,587.73

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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.