Home / 248,721.98-343,138.91-153,062.60

Finding the Fourth Proportional to 248,721.98, 343,138.91 and 153,062.60

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Solution

The fourth proportional to 248,721.98, 343,138.91 and 153,062.60 is: 211,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.98 : 343,138.91 = 153,062.60 : x
  2. Step 2: Convert to fraction form
    248,721.98/343,138.91 = 153,062.60/x
  3. Step 3: Cross multiply
    248,721.98x = 343,138.91 × 153,062.60
  4. Step 4: Simplify right side
    248,721.98x = 52,521,733,818.30
  5. Step 5: Solve for x
    x = 52,521,733,818.30/248,721.98
  6. Step 6: Final answer
    x = 211,166.43

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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.