Home / 248,079.42-371,996.40-105,902.54

Finding the Fourth Proportional to 248,079.42, 371,996.40 and 105,902.54

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Solution

The fourth proportional to 248,079.42, 371,996.40 and 105,902.54 is: 158,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,079.42 : 371,996.40 = 105,902.54 : x
  2. Step 2: Convert to fraction form
    248,079.42/371,996.40 = 105,902.54/x
  3. Step 3: Cross multiply
    248,079.42x = 371,996.40 × 105,902.54
  4. Step 4: Simplify right side
    248,079.42x = 39,395,363,630.86
  5. Step 5: Solve for x
    x = 39,395,363,630.86/248,079.42
  6. Step 6: Final answer
    x = 158,801.42

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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.