Home / 339,629.30-509,412.71-114,964.06

Finding the Fourth Proportional to 339,629.30, 509,412.71 and 114,964.06

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Solution

The fourth proportional to 339,629.30, 509,412.71 and 114,964.06 is: 172,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,629.30 : 509,412.71 = 114,964.06 : x
  2. Step 2: Convert to fraction form
    339,629.30/509,412.71 = 114,964.06/x
  3. Step 3: Cross multiply
    339,629.30x = 509,412.71 × 114,964.06
  4. Step 4: Simplify right side
    339,629.30x = 58,564,151,878.02
  5. Step 5: Solve for x
    x = 58,564,151,878.02/339,629.30
  6. Step 6: Final answer
    x = 172,435.51

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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.