Home / 127,628.87-191,443.26-34,132.19

Finding the Fourth Proportional to 127,628.87, 191,443.26 and 34,132.19

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Solution

The fourth proportional to 127,628.87, 191,443.26 and 34,132.19 is: 51,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,628.87 : 191,443.26 = 34,132.19 : x
  2. Step 2: Convert to fraction form
    127,628.87/191,443.26 = 34,132.19/x
  3. Step 3: Cross multiply
    127,628.87x = 191,443.26 × 34,132.19
  4. Step 4: Simplify right side
    127,628.87x = 6,534,377,724.54
  5. Step 5: Solve for x
    x = 6,534,377,724.54/127,628.87
  6. Step 6: Final answer
    x = 51,198.27

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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.