Home / 263,744.67-363,967.20-142,889.04

Finding the Fourth Proportional to 263,744.67, 363,967.20 and 142,889.04

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Solution

The fourth proportional to 263,744.67, 363,967.20 and 142,889.04 is: 197,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,744.67 : 363,967.20 = 142,889.04 : x
  2. Step 2: Convert to fraction form
    263,744.67/363,967.20 = 142,889.04/x
  3. Step 3: Cross multiply
    263,744.67x = 363,967.20 × 142,889.04
  4. Step 4: Simplify right side
    263,744.67x = 52,006,923,799.49
  5. Step 5: Solve for x
    x = 52,006,923,799.49/263,744.67
  6. Step 6: Final answer
    x = 197,186.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.