Home / 165,649.56-228,595.68-90,196.44

Finding the Fourth Proportional to 165,649.56, 228,595.68 and 90,196.44

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Solution

The fourth proportional to 165,649.56, 228,595.68 and 90,196.44 is: 124,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,649.56 : 228,595.68 = 90,196.44 : x
  2. Step 2: Convert to fraction form
    165,649.56/228,595.68 = 90,196.44/x
  3. Step 3: Cross multiply
    165,649.56x = 228,595.68 × 90,196.44
  4. Step 4: Simplify right side
    165,649.56x = 20,618,516,535.38
  5. Step 5: Solve for x
    x = 20,618,516,535.38/165,649.56
  6. Step 6: Final answer
    x = 124,470.70

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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.