Home / 340,714.06-511,034.64-104,221.60

Finding the Fourth Proportional to 340,714.06, 511,034.64 and 104,221.60

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Solution

The fourth proportional to 340,714.06, 511,034.64 and 104,221.60 is: 156,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,714.06 : 511,034.64 = 104,221.60 : x
  2. Step 2: Convert to fraction form
    340,714.06/511,034.64 = 104,221.60/x
  3. Step 3: Cross multiply
    340,714.06x = 511,034.64 × 104,221.60
  4. Step 4: Simplify right side
    340,714.06x = 53,260,847,836.22
  5. Step 5: Solve for x
    x = 53,260,847,836.22/340,714.06
  6. Step 6: Final answer
    x = 156,321.25

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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.