Home / 177,115.92-265,378.56-127,121.10

Finding the Fourth Proportional to 177,115.92, 265,378.56 and 127,121.10

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Solution

The fourth proportional to 177,115.92, 265,378.56 and 127,121.10 is: 190,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,115.92 : 265,378.56 = 127,121.10 : x
  2. Step 2: Convert to fraction form
    177,115.92/265,378.56 = 127,121.10/x
  3. Step 3: Cross multiply
    177,115.92x = 265,378.56 × 127,121.10
  4. Step 4: Simplify right side
    177,115.92x = 33,735,214,463.62
  5. Step 5: Solve for x
    x = 33,735,214,463.62/177,115.92
  6. Step 6: Final answer
    x = 190,469.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.