Home / 104,266.12-143,953.78-68,519.56

Finding the Fourth Proportional to 104,266.12, 143,953.78 and 68,519.56

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Solution

The fourth proportional to 104,266.12, 143,953.78 and 68,519.56 is: 94,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.12 : 143,953.78 = 68,519.56 : x
  2. Step 2: Convert to fraction form
    104,266.12/143,953.78 = 68,519.56/x
  3. Step 3: Cross multiply
    104,266.12x = 143,953.78 × 68,519.56
  4. Step 4: Simplify right side
    104,266.12x = 9,863,649,665.94
  5. Step 5: Solve for x
    x = 9,863,649,665.94/104,266.12
  6. Step 6: Final answer
    x = 94,600.72

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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.