Home / 165,277.38-228,084.60-89,825.88

Finding the Fourth Proportional to 165,277.38, 228,084.60 and 89,825.88

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Solution

The fourth proportional to 165,277.38, 228,084.60 and 89,825.88 is: 123,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,277.38 : 228,084.60 = 89,825.88 : x
  2. Step 2: Convert to fraction form
    165,277.38/228,084.60 = 89,825.88/x
  3. Step 3: Cross multiply
    165,277.38x = 228,084.60 × 89,825.88
  4. Step 4: Simplify right side
    165,277.38x = 20,487,899,909.45
  5. Step 5: Solve for x
    x = 20,487,899,909.45/165,277.38
  6. Step 6: Final answer
    x = 123,960.70

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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.