Home / 144,218.96-199,026.20-79,692.36

Finding the Fourth Proportional to 144,218.96, 199,026.20 and 79,692.36

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Solution

The fourth proportional to 144,218.96, 199,026.20 and 79,692.36 is: 109,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,218.96 : 199,026.20 = 79,692.36 : x
  2. Step 2: Convert to fraction form
    144,218.96/199,026.20 = 79,692.36/x
  3. Step 3: Cross multiply
    144,218.96x = 199,026.20 × 79,692.36
  4. Step 4: Simplify right side
    144,218.96x = 15,860,867,579.83
  5. Step 5: Solve for x
    x = 15,860,867,579.83/144,218.96
  6. Step 6: Final answer
    x = 109,977.69

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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.