Home / 137,216.13-205,742.18-52,906.38

Finding the Fourth Proportional to 137,216.13, 205,742.18 and 52,906.38

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Solution

The fourth proportional to 137,216.13, 205,742.18 and 52,906.38 is: 79,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,216.13 : 205,742.18 = 52,906.38 : x
  2. Step 2: Convert to fraction form
    137,216.13/205,742.18 = 52,906.38/x
  3. Step 3: Cross multiply
    137,216.13x = 205,742.18 × 52,906.38
  4. Step 4: Simplify right side
    137,216.13x = 10,885,073,692.58
  5. Step 5: Solve for x
    x = 10,885,073,692.58/137,216.13
  6. Step 6: Final answer
    x = 79,327.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.