Home / 165,355.48-228,190.26-89,903.80

Finding the Fourth Proportional to 165,355.48, 228,190.26 and 89,903.80

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Solution

The fourth proportional to 165,355.48, 228,190.26 and 89,903.80 is: 124,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,355.48 : 228,190.26 = 89,903.80 : x
  2. Step 2: Convert to fraction form
    165,355.48/228,190.26 = 89,903.80/x
  3. Step 3: Cross multiply
    165,355.48x = 228,190.26 × 89,903.80
  4. Step 4: Simplify right side
    165,355.48x = 20,515,171,496.99
  5. Step 5: Solve for x
    x = 20,515,171,496.99/165,355.48
  6. Step 6: Final answer
    x = 124,067.08

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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.