Home / 165,296.64-228,109.68-89,844.96

Finding the Fourth Proportional to 165,296.64, 228,109.68 and 89,844.96

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Solution

The fourth proportional to 165,296.64, 228,109.68 and 89,844.96 is: 123,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,296.64 : 228,109.68 = 89,844.96 : x
  2. Step 2: Convert to fraction form
    165,296.64/228,109.68 = 89,844.96/x
  3. Step 3: Cross multiply
    165,296.64x = 228,109.68 × 89,844.96
  4. Step 4: Simplify right side
    165,296.64x = 20,494,505,075.21
  5. Step 5: Solve for x
    x = 20,494,505,075.21/165,296.64
  6. Step 6: Final answer
    x = 123,986.22

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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.