Home / 263,244.93-394,867.10-85,751.66

Finding the Fourth Proportional to 263,244.93, 394,867.10 and 85,751.66

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Solution

The fourth proportional to 263,244.93, 394,867.10 and 85,751.66 is: 128,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,244.93 : 394,867.10 = 85,751.66 : x
  2. Step 2: Convert to fraction form
    263,244.93/394,867.10 = 85,751.66/x
  3. Step 3: Cross multiply
    263,244.93x = 394,867.10 × 85,751.66
  4. Step 4: Simplify right side
    263,244.93x = 33,860,506,901.29
  5. Step 5: Solve for x
    x = 33,860,506,901.29/263,244.93
  6. Step 6: Final answer
    x = 128,627.38

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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.