Home / 340,927.12-511,410.84-104,286.16

Finding the Fourth Proportional to 340,927.12, 511,410.84 and 104,286.16

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Solution

The fourth proportional to 340,927.12, 511,410.84 and 104,286.16 is: 156,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,927.12 : 511,410.84 = 104,286.16 : x
  2. Step 2: Convert to fraction form
    340,927.12/511,410.84 = 104,286.16/x
  3. Step 3: Cross multiply
    340,927.12x = 511,410.84 × 104,286.16
  4. Step 4: Simplify right side
    340,927.12x = 53,333,072,685.97
  5. Step 5: Solve for x
    x = 53,333,072,685.97/340,927.12
  6. Step 6: Final answer
    x = 156,435.41

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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.