Home / 144,677.42-199,649.33-81,012.02

Finding the Fourth Proportional to 144,677.42, 199,649.33 and 81,012.02

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Solution

The fourth proportional to 144,677.42, 199,649.33 and 81,012.02 is: 111,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,677.42 : 199,649.33 = 81,012.02 : x
  2. Step 2: Convert to fraction form
    144,677.42/199,649.33 = 81,012.02/x
  3. Step 3: Cross multiply
    144,677.42x = 199,649.33 × 81,012.02
  4. Step 4: Simplify right side
    144,677.42x = 16,173,995,514.95
  5. Step 5: Solve for x
    x = 16,173,995,514.95/144,677.42
  6. Step 6: Final answer
    x = 111,793.50

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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.