Home / 243,865.12-365,832.73-75,398.58

Finding the Fourth Proportional to 243,865.12, 365,832.73 and 75,398.58

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Solution

The fourth proportional to 243,865.12, 365,832.73 and 75,398.58 is: 113,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,865.12 : 365,832.73 = 75,398.58 : x
  2. Step 2: Convert to fraction form
    243,865.12/365,832.73 = 75,398.58/x
  3. Step 3: Cross multiply
    243,865.12x = 365,832.73 × 75,398.58
  4. Step 4: Simplify right side
    243,865.12x = 27,583,269,274.11
  5. Step 5: Solve for x
    x = 27,583,269,274.11/243,865.12
  6. Step 6: Final answer
    x = 113,108.71

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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.