Home / 165,318.16-228,141.56-92,737.14

Finding the Fourth Proportional to 165,318.16, 228,141.56 and 92,737.14

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Solution

The fourth proportional to 165,318.16, 228,141.56 and 92,737.14 is: 127,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,318.16 : 228,141.56 = 92,737.14 : x
  2. Step 2: Convert to fraction form
    165,318.16/228,141.56 = 92,737.14/x
  3. Step 3: Cross multiply
    165,318.16x = 228,141.56 × 92,737.14
  4. Step 4: Simplify right side
    165,318.16x = 21,157,195,789.54
  5. Step 5: Solve for x
    x = 21,157,195,789.54/165,318.16
  6. Step 6: Final answer
    x = 127,978.66

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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.