Home / 165,244.32-228,037.76-89,792.80

Finding the Fourth Proportional to 165,244.32, 228,037.76 and 89,792.80

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Solution

The fourth proportional to 165,244.32, 228,037.76 and 89,792.80 is: 123,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,244.32 : 228,037.76 = 89,792.80 : x
  2. Step 2: Convert to fraction form
    165,244.32/228,037.76 = 89,792.80/x
  3. Step 3: Cross multiply
    165,244.32x = 228,037.76 × 89,792.80
  4. Step 4: Simplify right side
    165,244.32x = 20,476,148,976.13
  5. Step 5: Solve for x
    x = 20,476,148,976.13/165,244.32
  6. Step 6: Final answer
    x = 123,914.39

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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.