Home / 263,739.12-363,952.41-154,841.64

Finding the Fourth Proportional to 263,739.12, 363,952.41 and 154,841.64

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Solution

The fourth proportional to 263,739.12, 363,952.41 and 154,841.64 is: 213,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,739.12 : 363,952.41 = 154,841.64 : x
  2. Step 2: Convert to fraction form
    263,739.12/363,952.41 = 154,841.64/x
  3. Step 3: Cross multiply
    263,739.12x = 363,952.41 × 154,841.64
  4. Step 4: Simplify right side
    263,739.12x = 56,354,988,046.35
  5. Step 5: Solve for x
    x = 56,354,988,046.35/263,739.12
  6. Step 6: Final answer
    x = 213,677.02

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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.