Home / 248,721.36-373,079.28-148,909.44

Finding the Fourth Proportional to 248,721.36, 373,079.28 and 148,909.44

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Solution

The fourth proportional to 248,721.36, 373,079.28 and 148,909.44 is: 223,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.36 : 373,079.28 = 148,909.44 : x
  2. Step 2: Convert to fraction form
    248,721.36/373,079.28 = 148,909.44/x
  3. Step 3: Cross multiply
    248,721.36x = 373,079.28 × 148,909.44
  4. Step 4: Simplify right side
    248,721.36x = 55,555,026,660.40
  5. Step 5: Solve for x
    x = 55,555,026,660.40/248,721.36
  6. Step 6: Final answer
    x = 223,362.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.