Home / 262,733.48-394,155.57-85,226.63

Finding the Fourth Proportional to 262,733.48, 394,155.57 and 85,226.63

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Solution

The fourth proportional to 262,733.48, 394,155.57 and 85,226.63 is: 127,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,733.48 : 394,155.57 = 85,226.63 : x
  2. Step 2: Convert to fraction form
    262,733.48/394,155.57 = 85,226.63/x
  3. Step 3: Cross multiply
    262,733.48x = 394,155.57 × 85,226.63
  4. Step 4: Simplify right side
    262,733.48x = 33,592,550,926.83
  5. Step 5: Solve for x
    x = 33,592,550,926.83/262,733.48
  6. Step 6: Final answer
    x = 127,857.90

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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.