Home / 165,827.08-228,846.90-90,378.28

Finding the Fourth Proportional to 165,827.08, 228,846.90 and 90,378.28

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Solution

The fourth proportional to 165,827.08, 228,846.90 and 90,378.28 is: 124,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,827.08 : 228,846.90 = 90,378.28 : x
  2. Step 2: Convert to fraction form
    165,827.08/228,846.90 = 90,378.28/x
  3. Step 3: Cross multiply
    165,827.08x = 228,846.90 × 90,378.28
  4. Step 4: Simplify right side
    165,827.08x = 20,682,789,205.33
  5. Step 5: Solve for x
    x = 20,682,789,205.33/165,827.08
  6. Step 6: Final answer
    x = 124,725.04

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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.