Home / 196,229.36-270,789-111,341.36

Finding the Fourth Proportional to 196,229.36, 270,789 and 111,341.36

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Solution

The fourth proportional to 196,229.36, 270,789 and 111,341.36 is: 153,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,229.36 : 270,789 = 111,341.36 : x
  2. Step 2: Convert to fraction form
    196,229.36/270,789 = 111,341.36/x
  3. Step 3: Cross multiply
    196,229.36x = 270,789 × 111,341.36
  4. Step 4: Simplify right side
    196,229.36x = 30,150,015,533.04
  5. Step 5: Solve for x
    x = 30,150,015,533.04/196,229.36
  6. Step 6: Final answer
    x = 153,646.81

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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.