Home / 196,316.64-270,930.96-111,439.17

Finding the Fourth Proportional to 196,316.64, 270,930.96 and 111,439.17

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Solution

The fourth proportional to 196,316.64, 270,930.96 and 111,439.17 is: 153,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,316.64 : 270,930.96 = 111,439.17 : x
  2. Step 2: Convert to fraction form
    196,316.64/270,930.96 = 111,439.17/x
  3. Step 3: Cross multiply
    196,316.64x = 270,930.96 × 111,439.17
  4. Step 4: Simplify right side
    196,316.64x = 30,192,321,309.70
  5. Step 5: Solve for x
    x = 30,192,321,309.70/196,316.64
  6. Step 6: Final answer
    x = 153,794.00

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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.