Home / 248,867.29-343,432.47-135,690.04

Finding the Fourth Proportional to 248,867.29, 343,432.47 and 135,690.04

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Solution

The fourth proportional to 248,867.29, 343,432.47 and 135,690.04 is: 187,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,867.29 : 343,432.47 = 135,690.04 : x
  2. Step 2: Convert to fraction form
    248,867.29/343,432.47 = 135,690.04/x
  3. Step 3: Cross multiply
    248,867.29x = 343,432.47 × 135,690.04
  4. Step 4: Simplify right side
    248,867.29x = 46,600,365,591.60
  5. Step 5: Solve for x
    x = 46,600,365,591.60/248,867.29
  6. Step 6: Final answer
    x = 187,249.86

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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.