Home / 340,691.10-511,068.24-115,976.04

Finding the Fourth Proportional to 340,691.10, 511,068.24 and 115,976.04

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Solution

The fourth proportional to 340,691.10, 511,068.24 and 115,976.04 is: 173,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,691.10 : 511,068.24 = 115,976.04 : x
  2. Step 2: Convert to fraction form
    340,691.10/511,068.24 = 115,976.04/x
  3. Step 3: Cross multiply
    340,691.10x = 511,068.24 × 115,976.04
  4. Step 4: Simplify right side
    340,691.10x = 59,271,670,644.97
  5. Step 5: Solve for x
    x = 59,271,670,644.97/340,691.10
  6. Step 6: Final answer
    x = 173,974.81

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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.