Home / 133,630.80-184,367.13-91,115.52

Finding the Fourth Proportional to 133,630.80, 184,367.13 and 91,115.52

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Solution

The fourth proportional to 133,630.80, 184,367.13 and 91,115.52 is: 125,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,630.80 : 184,367.13 = 91,115.52 : x
  2. Step 2: Convert to fraction form
    133,630.80/184,367.13 = 91,115.52/x
  3. Step 3: Cross multiply
    133,630.80x = 184,367.13 × 91,115.52
  4. Step 4: Simplify right side
    133,630.80x = 16,798,706,920.86
  5. Step 5: Solve for x
    x = 16,798,706,920.86/133,630.80
  6. Step 6: Final answer
    x = 125,709.84

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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.