Home / 243,418.14-365,162.04-74,952.72

Finding the Fourth Proportional to 243,418.14, 365,162.04 and 74,952.72

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Solution

The fourth proportional to 243,418.14, 365,162.04 and 74,952.72 is: 112,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,418.14 : 365,162.04 = 74,952.72 : x
  2. Step 2: Convert to fraction form
    243,418.14/365,162.04 = 74,952.72/x
  3. Step 3: Cross multiply
    243,418.14x = 365,162.04 × 74,952.72
  4. Step 4: Simplify right side
    243,418.14x = 27,369,888,138.75
  5. Step 5: Solve for x
    x = 27,369,888,138.75/243,418.14
  6. Step 6: Final answer
    x = 112,439.80

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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.