Home / 165,250.30-228,046.86-89,798.80

Finding the Fourth Proportional to 165,250.30, 228,046.86 and 89,798.80

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Solution

The fourth proportional to 165,250.30, 228,046.86 and 89,798.80 is: 123,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,250.30 : 228,046.86 = 89,798.80 : x
  2. Step 2: Convert to fraction form
    165,250.30/228,046.86 = 89,798.80/x
  3. Step 3: Cross multiply
    165,250.30x = 228,046.86 × 89,798.80
  4. Step 4: Simplify right side
    165,250.30x = 20,478,334,371.77
  5. Step 5: Solve for x
    x = 20,478,334,371.77/165,250.30
  6. Step 6: Final answer
    x = 123,923.13

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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.