Home / 196,310.44-270,909.69-111,428.92

Finding the Fourth Proportional to 196,310.44, 270,909.69 and 111,428.92

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Solution

The fourth proportional to 196,310.44, 270,909.69 and 111,428.92 is: 153,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,310.44 : 270,909.69 = 111,428.92 : x
  2. Step 2: Convert to fraction form
    196,310.44/270,909.69 = 111,428.92/x
  3. Step 3: Cross multiply
    196,310.44x = 270,909.69 × 111,428.92
  4. Step 4: Simplify right side
    196,310.44x = 30,187,174,174.23
  5. Step 5: Solve for x
    x = 30,187,174,174.23/196,310.44
  6. Step 6: Final answer
    x = 153,772.64

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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.