Home / 248,790.38-343,317.77-141,345.50

Finding the Fourth Proportional to 248,790.38, 343,317.77 and 141,345.50

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Solution

The fourth proportional to 248,790.38, 343,317.77 and 141,345.50 is: 195,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,790.38 : 343,317.77 = 141,345.50 : x
  2. Step 2: Convert to fraction form
    248,790.38/343,317.77 = 141,345.50/x
  3. Step 3: Cross multiply
    248,790.38x = 343,317.77 × 141,345.50
  4. Step 4: Simplify right side
    248,790.38x = 48,526,421,859.54
  5. Step 5: Solve for x
    x = 48,526,421,859.54/248,790.38
  6. Step 6: Final answer
    x = 195,049.43

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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.