Home / 248,721.84-343,236.15-135,544.50

Finding the Fourth Proportional to 248,721.84, 343,236.15 and 135,544.50

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Solution

The fourth proportional to 248,721.84, 343,236.15 and 135,544.50 is: 187,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.84 : 343,236.15 = 135,544.50 : x
  2. Step 2: Convert to fraction form
    248,721.84/343,236.15 = 135,544.50/x
  3. Step 3: Cross multiply
    248,721.84x = 343,236.15 × 135,544.50
  4. Step 4: Simplify right side
    248,721.84x = 46,523,772,333.68
  5. Step 5: Solve for x
    x = 46,523,772,333.68/248,721.84
  6. Step 6: Final answer
    x = 187,051.42

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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.