Home / 144,675.22-199,649.63-80,144.26

Finding the Fourth Proportional to 144,675.22, 199,649.63 and 80,144.26

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Solution

The fourth proportional to 144,675.22, 199,649.63 and 80,144.26 is: 110,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,675.22 : 199,649.63 = 80,144.26 : x
  2. Step 2: Convert to fraction form
    144,675.22/199,649.63 = 80,144.26/x
  3. Step 3: Cross multiply
    144,675.22x = 199,649.63 × 80,144.26
  4. Step 4: Simplify right side
    144,675.22x = 16,000,771,556.86
  5. Step 5: Solve for x
    x = 16,000,771,556.86/144,675.22
  6. Step 6: Final answer
    x = 110,597.87

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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.