Home / 144,625.40-199,577.22-84,197.78

Finding the Fourth Proportional to 144,625.40, 199,577.22 and 84,197.78

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Solution

The fourth proportional to 144,625.40, 199,577.22 and 84,197.78 is: 116,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625.40 : 199,577.22 = 84,197.78 : x
  2. Step 2: Convert to fraction form
    144,625.40/199,577.22 = 84,197.78/x
  3. Step 3: Cross multiply
    144,625.40x = 199,577.22 × 84,197.78
  4. Step 4: Simplify right side
    144,625.40x = 16,803,958,862.57
  5. Step 5: Solve for x
    x = 16,803,958,862.57/144,625.40
  6. Step 6: Final answer
    x = 116,189.54

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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.