Home / 110,629.50-152,680.23-68,186.94

Finding the Fourth Proportional to 110,629.50, 152,680.23 and 68,186.94

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Solution

The fourth proportional to 110,629.50, 152,680.23 and 68,186.94 is: 94,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,629.50 : 152,680.23 = 68,186.94 : x
  2. Step 2: Convert to fraction form
    110,629.50/152,680.23 = 68,186.94/x
  3. Step 3: Cross multiply
    110,629.50x = 152,680.23 × 68,186.94
  4. Step 4: Simplify right side
    110,629.50x = 10,410,797,682.20
  5. Step 5: Solve for x
    x = 10,410,797,682.20/110,629.50
  6. Step 6: Final answer
    x = 94,105.08

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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.