Home / 196,067.76-270,532.12-128,184.12

Finding the Fourth Proportional to 196,067.76, 270,532.12 and 128,184.12

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Solution

The fourth proportional to 196,067.76, 270,532.12 and 128,184.12 is: 176,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,067.76 : 270,532.12 = 128,184.12 : x
  2. Step 2: Convert to fraction form
    196,067.76/270,532.12 = 128,184.12/x
  3. Step 3: Cross multiply
    196,067.76x = 270,532.12 × 128,184.12
  4. Step 4: Simplify right side
    196,067.76x = 34,677,921,733.93
  5. Step 5: Solve for x
    x = 34,677,921,733.93/196,067.76
  6. Step 6: Final answer
    x = 176,867.03

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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.