Home / 127,067.10-190,600.65-100,628.70

Finding the Fourth Proportional to 127,067.10, 190,600.65 and 100,628.70

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Solution

The fourth proportional to 127,067.10, 190,600.65 and 100,628.70 is: 150,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,067.10 : 190,600.65 = 100,628.70 : x
  2. Step 2: Convert to fraction form
    127,067.10/190,600.65 = 100,628.70/x
  3. Step 3: Cross multiply
    127,067.10x = 190,600.65 × 100,628.70
  4. Step 4: Simplify right side
    127,067.10x = 19,179,895,628.66
  5. Step 5: Solve for x
    x = 19,179,895,628.66/127,067.10
  6. Step 6: Final answer
    x = 150,943.05

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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.