Home / 248,117.96-372,121.05-70,621.04

Finding the Fourth Proportional to 248,117.96, 372,121.05 and 70,621.04

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Solution

The fourth proportional to 248,117.96, 372,121.05 and 70,621.04 is: 105,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,117.96 : 372,121.05 = 70,621.04 : x
  2. Step 2: Convert to fraction form
    248,117.96/372,121.05 = 70,621.04/x
  3. Step 3: Cross multiply
    248,117.96x = 372,121.05 × 70,621.04
  4. Step 4: Simplify right side
    248,117.96x = 26,279,575,556.89
  5. Step 5: Solve for x
    x = 26,279,575,556.89/248,117.96
  6. Step 6: Final answer
    x = 105,915.65

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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.