Home / 167,811.62-231,575.64-91,332.20

Finding the Fourth Proportional to 167,811.62, 231,575.64 and 91,332.20

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Solution

The fourth proportional to 167,811.62, 231,575.64 and 91,332.20 is: 126,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,811.62 : 231,575.64 = 91,332.20 : x
  2. Step 2: Convert to fraction form
    167,811.62/231,575.64 = 91,332.20/x
  3. Step 3: Cross multiply
    167,811.62x = 231,575.64 × 91,332.20
  4. Step 4: Simplify right side
    167,811.62x = 21,150,312,667.61
  5. Step 5: Solve for x
    x = 21,150,312,667.61/167,811.62
  6. Step 6: Final answer
    x = 126,036.04

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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.