Home / 133,694.68-184,429.64-90,659.62

Finding the Fourth Proportional to 133,694.68, 184,429.64 and 90,659.62

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Solution

The fourth proportional to 133,694.68, 184,429.64 and 90,659.62 is: 125,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,694.68 : 184,429.64 = 90,659.62 : x
  2. Step 2: Convert to fraction form
    133,694.68/184,429.64 = 90,659.62/x
  3. Step 3: Cross multiply
    133,694.68x = 184,429.64 × 90,659.62
  4. Step 4: Simplify right side
    133,694.68x = 16,720,321,079.14
  5. Step 5: Solve for x
    x = 16,720,321,079.14/133,694.68
  6. Step 6: Final answer
    x = 125,063.47

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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.