Home / 196,134.12-270,656.56-108,913.80

Finding the Fourth Proportional to 196,134.12, 270,656.56 and 108,913.80

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Solution

The fourth proportional to 196,134.12, 270,656.56 and 108,913.80 is: 150,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,134.12 : 270,656.56 = 108,913.80 : x
  2. Step 2: Convert to fraction form
    196,134.12/270,656.56 = 108,913.80/x
  3. Step 3: Cross multiply
    196,134.12x = 270,656.56 × 108,913.80
  4. Step 4: Simplify right side
    196,134.12x = 29,478,234,444.53
  5. Step 5: Solve for x
    x = 29,478,234,444.53/196,134.12
  6. Step 6: Final answer
    x = 150,296.31

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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.