Home / 165,286.28-228,093.36-89,834.24

Finding the Fourth Proportional to 165,286.28, 228,093.36 and 89,834.24

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Solution

The fourth proportional to 165,286.28, 228,093.36 and 89,834.24 is: 123,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,286.28 : 228,093.36 = 89,834.24 : x
  2. Step 2: Convert to fraction form
    165,286.28/228,093.36 = 89,834.24/x
  3. Step 3: Cross multiply
    165,286.28x = 228,093.36 × 89,834.24
  4. Step 4: Simplify right side
    165,286.28x = 20,490,593,644.65
  5. Step 5: Solve for x
    x = 20,490,593,644.65/165,286.28
  6. Step 6: Final answer
    x = 123,970.32

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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.