Home / 248,972.78-371,871.64-225,243.74

Finding the Fourth Proportional to 248,972.78, 371,871.64 and 225,243.74

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Solution

The fourth proportional to 248,972.78, 371,871.64 and 225,243.74 is: 336,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,972.78 : 371,871.64 = 225,243.74 : x
  2. Step 2: Convert to fraction form
    248,972.78/371,871.64 = 225,243.74/x
  3. Step 3: Cross multiply
    248,972.78x = 371,871.64 × 225,243.74
  4. Step 4: Simplify right side
    248,972.78x = 83,761,758,993.53
  5. Step 5: Solve for x
    x = 83,761,758,993.53/248,972.78
  6. Step 6: Final answer
    x = 336,429.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.