Home / 165,394.09-228,295.02-123,010.03

Finding the Fourth Proportional to 165,394.09, 228,295.02 and 123,010.03

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Solution

The fourth proportional to 165,394.09, 228,295.02 and 123,010.03 is: 169,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,394.09 : 228,295.02 = 123,010.03 : x
  2. Step 2: Convert to fraction form
    165,394.09/228,295.02 = 123,010.03/x
  3. Step 3: Cross multiply
    165,394.09x = 228,295.02 × 123,010.03
  4. Step 4: Simplify right side
    165,394.09x = 28,082,577,259.05
  5. Step 5: Solve for x
    x = 28,082,577,259.05/165,394.09
  6. Step 6: Final answer
    x = 169,791.90

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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.