Home / 251,961.05-347,694.04-143,051.10

Finding the Fourth Proportional to 251,961.05, 347,694.04 and 143,051.10

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Solution

The fourth proportional to 251,961.05, 347,694.04 and 143,051.10 is: 197,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,961.05 : 347,694.04 = 143,051.10 : x
  2. Step 2: Convert to fraction form
    251,961.05/347,694.04 = 143,051.10/x
  3. Step 3: Cross multiply
    251,961.05x = 347,694.04 × 143,051.10
  4. Step 4: Simplify right side
    251,961.05x = 49,738,016,867.22
  5. Step 5: Solve for x
    x = 49,738,016,867.22/251,961.05
  6. Step 6: Final answer
    x = 197,403.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.