Home / 243,015.20-364,524.96-74,536.31

Finding the Fourth Proportional to 243,015.20, 364,524.96 and 74,536.31

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Solution

The fourth proportional to 243,015.20, 364,524.96 and 74,536.31 is: 111,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,015.20 : 364,524.96 = 74,536.31 : x
  2. Step 2: Convert to fraction form
    243,015.20/364,524.96 = 74,536.31/x
  3. Step 3: Cross multiply
    243,015.20x = 364,524.96 × 74,536.31
  4. Step 4: Simplify right side
    243,015.20x = 27,170,345,421.30
  5. Step 5: Solve for x
    x = 27,170,345,421.30/243,015.20
  6. Step 6: Final answer
    x = 111,805.13

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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.