Home / 248,806.20-343,357.52-135,628.84

Finding the Fourth Proportional to 248,806.20, 343,357.52 and 135,628.84

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Solution

The fourth proportional to 248,806.20, 343,357.52 and 135,628.84 is: 187,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,806.20 : 343,357.52 = 135,628.84 : x
  2. Step 2: Convert to fraction form
    248,806.20/343,357.52 = 135,628.84/x
  3. Step 3: Cross multiply
    248,806.20x = 343,357.52 × 135,628.84
  4. Step 4: Simplify right side
    248,806.20x = 46,569,182,142.88
  5. Step 5: Solve for x
    x = 46,569,182,142.88/248,806.20
  6. Step 6: Final answer
    x = 187,170.51

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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.