Home / 263,094.08-394,682.32-85,559.49

Finding the Fourth Proportional to 263,094.08, 394,682.32 and 85,559.49

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Solution

The fourth proportional to 263,094.08, 394,682.32 and 85,559.49 is: 128,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,094.08 : 394,682.32 = 85,559.49 : x
  2. Step 2: Convert to fraction form
    263,094.08/394,682.32 = 85,559.49/x
  3. Step 3: Cross multiply
    263,094.08x = 394,682.32 × 85,559.49
  4. Step 4: Simplify right side
    263,094.08x = 33,768,818,118.17
  5. Step 5: Solve for x
    x = 33,768,818,118.17/263,094.08
  6. Step 6: Final answer
    x = 128,352.64

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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.