Home / 165,512.07-227,971.57-127,198.31

Finding the Fourth Proportional to 165,512.07, 227,971.57 and 127,198.31

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Solution

The fourth proportional to 165,512.07, 227,971.57 and 127,198.31 is: 175,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,512.07 : 227,971.57 = 127,198.31 : x
  2. Step 2: Convert to fraction form
    165,512.07/227,971.57 = 127,198.31/x
  3. Step 3: Cross multiply
    165,512.07x = 227,971.57 × 127,198.31
  4. Step 4: Simplify right side
    165,512.07x = 28,997,598,432.05
  5. Step 5: Solve for x
    x = 28,997,598,432.05/165,512.07
  6. Step 6: Final answer
    x = 175,199.30

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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.