Home / 165,643.07-228,591.20-94,016.39

Finding the Fourth Proportional to 165,643.07, 228,591.20 and 94,016.39

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Solution

The fourth proportional to 165,643.07, 228,591.20 and 94,016.39 is: 129,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,643.07 : 228,591.20 = 94,016.39 : x
  2. Step 2: Convert to fraction form
    165,643.07/228,591.20 = 94,016.39/x
  3. Step 3: Cross multiply
    165,643.07x = 228,591.20 × 94,016.39
  4. Step 4: Simplify right side
    165,643.07x = 21,491,318,939.69
  5. Step 5: Solve for x
    x = 21,491,318,939.69/165,643.07
  6. Step 6: Final answer
    x = 129,744.75

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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.