Home / 262,575.18-393,843.60-102,621.06

Finding the Fourth Proportional to 262,575.18, 393,843.60 and 102,621.06

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Solution

The fourth proportional to 262,575.18, 393,843.60 and 102,621.06 is: 153,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,575.18 : 393,843.60 = 102,621.06 : x
  2. Step 2: Convert to fraction form
    262,575.18/393,843.60 = 102,621.06/x
  3. Step 3: Cross multiply
    262,575.18x = 393,843.60 × 102,621.06
  4. Step 4: Simplify right side
    262,575.18x = 40,416,647,706.22
  5. Step 5: Solve for x
    x = 40,416,647,706.22/262,575.18
  6. Step 6: Final answer
    x = 153,924.10

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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.