Home / 131,127.39-196,690.78-56,198.95

Finding the Fourth Proportional to 131,127.39, 196,690.78 and 56,198.95

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Solution

The fourth proportional to 131,127.39, 196,690.78 and 56,198.95 is: 84,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127.39 : 196,690.78 = 56,198.95 : x
  2. Step 2: Convert to fraction form
    131,127.39/196,690.78 = 56,198.95/x
  3. Step 3: Cross multiply
    131,127.39x = 196,690.78 × 56,198.95
  4. Step 4: Simplify right side
    131,127.39x = 11,053,814,889.20
  5. Step 5: Solve for x
    x = 11,053,814,889.20/131,127.39
  6. Step 6: Final answer
    x = 84,298.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.