Home / 248,481.88-372,721.02-148,669.72

Finding the Fourth Proportional to 248,481.88, 372,721.02 and 148,669.72

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Solution

The fourth proportional to 248,481.88, 372,721.02 and 148,669.72 is: 223,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,481.88 : 372,721.02 = 148,669.72 : x
  2. Step 2: Convert to fraction form
    248,481.88/372,721.02 = 148,669.72/x
  3. Step 3: Cross multiply
    248,481.88x = 372,721.02 × 148,669.72
  4. Step 4: Simplify right side
    248,481.88x = 55,412,329,681.51
  5. Step 5: Solve for x
    x = 55,412,329,681.51/248,481.88
  6. Step 6: Final answer
    x = 223,003.50

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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.