Home / 263,250.18-394,874.96-85,756.90

Finding the Fourth Proportional to 263,250.18, 394,874.96 and 85,756.90

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Solution

The fourth proportional to 263,250.18, 394,874.96 and 85,756.90 is: 128,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,250.18 : 394,874.96 = 85,756.90 : x
  2. Step 2: Convert to fraction form
    263,250.18/394,874.96 = 85,756.90/x
  3. Step 3: Cross multiply
    263,250.18x = 394,874.96 × 85,756.90
  4. Step 4: Simplify right side
    263,250.18x = 33,863,252,457.22
  5. Step 5: Solve for x
    x = 33,863,252,457.22/263,250.18
  6. Step 6: Final answer
    x = 128,635.25

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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.