Home / 165,343.91-228,173.65-91,755.60

Finding the Fourth Proportional to 165,343.91, 228,173.65 and 91,755.60

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Solution

The fourth proportional to 165,343.91, 228,173.65 and 91,755.60 is: 126,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,343.91 : 228,173.65 = 91,755.60 : x
  2. Step 2: Convert to fraction form
    165,343.91/228,173.65 = 91,755.60/x
  3. Step 3: Cross multiply
    165,343.91x = 228,173.65 × 91,755.60
  4. Step 4: Simplify right side
    165,343.91x = 20,936,210,159.94
  5. Step 5: Solve for x
    x = 20,936,210,159.94/165,343.91
  6. Step 6: Final answer
    x = 126,622.20

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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.