Home / 144,321.04-199,164.36-79,789.33

Finding the Fourth Proportional to 144,321.04, 199,164.36 and 79,789.33

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Solution

The fourth proportional to 144,321.04, 199,164.36 and 79,789.33 is: 110,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,321.04 : 199,164.36 = 79,789.33 : x
  2. Step 2: Convert to fraction form
    144,321.04/199,164.36 = 79,789.33/x
  3. Step 3: Cross multiply
    144,321.04x = 199,164.36 × 79,789.33
  4. Step 4: Simplify right side
    144,321.04x = 15,891,190,844.28
  5. Step 5: Solve for x
    x = 15,891,190,844.28/144,321.04
  6. Step 6: Final answer
    x = 110,110.01

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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.