Home / 251,640.36-347,273.28-144,231.12

Finding the Fourth Proportional to 251,640.36, 347,273.28 and 144,231.12

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Solution

The fourth proportional to 251,640.36, 347,273.28 and 144,231.12 is: 199,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,640.36 : 347,273.28 = 144,231.12 : x
  2. Step 2: Convert to fraction form
    251,640.36/347,273.28 = 144,231.12/x
  3. Step 3: Cross multiply
    251,640.36x = 347,273.28 × 144,231.12
  4. Step 4: Simplify right side
    251,640.36x = 50,087,614,120.47
  5. Step 5: Solve for x
    x = 50,087,614,120.47/251,640.36
  6. Step 6: Final answer
    x = 199,044.44

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1.5x scale

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.