Home / 133,984.19-184,891.22-79,538.61

Finding the Fourth Proportional to 133,984.19, 184,891.22 and 79,538.61

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Solution

The fourth proportional to 133,984.19, 184,891.22 and 79,538.61 is: 109,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,984.19 : 184,891.22 = 79,538.61 : x
  2. Step 2: Convert to fraction form
    133,984.19/184,891.22 = 79,538.61/x
  3. Step 3: Cross multiply
    133,984.19x = 184,891.22 × 79,538.61
  4. Step 4: Simplify right side
    133,984.19x = 14,705,990,242.31
  5. Step 5: Solve for x
    x = 14,705,990,242.31/133,984.19
  6. Step 6: Final answer
    x = 109,759.15

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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.