Home / 248,721.36-373,192.20-130,364.56

Finding the Fourth Proportional to 248,721.36, 373,192.20 and 130,364.56

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Solution

The fourth proportional to 248,721.36, 373,192.20 and 130,364.56 is: 195,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.36 : 373,192.20 = 130,364.56 : x
  2. Step 2: Convert to fraction form
    248,721.36/373,192.20 = 130,364.56/x
  3. Step 3: Cross multiply
    248,721.36x = 373,192.20 × 130,364.56
  4. Step 4: Simplify right side
    248,721.36x = 48,651,036,948.43
  5. Step 5: Solve for x
    x = 48,651,036,948.43/248,721.36
  6. Step 6: Final answer
    x = 195,604.58

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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.