Home / 263,477.43-395,267.18-85,936.77

Finding the Fourth Proportional to 263,477.43, 395,267.18 and 85,936.77

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Solution

The fourth proportional to 263,477.43, 395,267.18 and 85,936.77 is: 128,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,477.43 : 395,267.18 = 85,936.77 : x
  2. Step 2: Convert to fraction form
    263,477.43/395,267.18 = 85,936.77/x
  3. Step 3: Cross multiply
    263,477.43x = 395,267.18 × 85,936.77
  4. Step 4: Simplify right side
    263,477.43x = 33,967,984,306.52
  5. Step 5: Solve for x
    x = 33,967,984,306.52/263,477.43
  6. Step 6: Final answer
    x = 128,921.80

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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.