Home / 251,630.36-347,259.44-144,221.12

Finding the Fourth Proportional to 251,630.36, 347,259.44 and 144,221.12

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Solution

The fourth proportional to 251,630.36, 347,259.44 and 144,221.12 is: 199,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,630.36 : 347,259.44 = 144,221.12 : x
  2. Step 2: Convert to fraction form
    251,630.36/347,259.44 = 144,221.12/x
  3. Step 3: Cross multiply
    251,630.36x = 347,259.44 × 144,221.12
  4. Step 4: Simplify right side
    251,630.36x = 50,082,145,367.37
  5. Step 5: Solve for x
    x = 50,082,145,367.37/251,630.36
  6. Step 6: Final answer
    x = 199,030.62

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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.