Home / 248,800.95-343,345.91-141,406.65

Finding the Fourth Proportional to 248,800.95, 343,345.91 and 141,406.65

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Solution

The fourth proportional to 248,800.95, 343,345.91 and 141,406.65 is: 195,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,800.95 : 343,345.91 = 141,406.65 : x
  2. Step 2: Convert to fraction form
    248,800.95/343,345.91 = 141,406.65/x
  3. Step 3: Cross multiply
    248,800.95x = 343,345.91 × 141,406.65
  4. Step 4: Simplify right side
    248,800.95x = 48,551,394,217.27
  5. Step 5: Solve for x
    x = 48,551,394,217.27/248,800.95
  6. Step 6: Final answer
    x = 195,141.51

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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.