Home / 231,557.37-347,338.71-81,692.44

Finding the Fourth Proportional to 231,557.37, 347,338.71 and 81,692.44

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Solution

The fourth proportional to 231,557.37, 347,338.71 and 81,692.44 is: 122,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,557.37 : 347,338.71 = 81,692.44 : x
  2. Step 2: Convert to fraction form
    231,557.37/347,338.71 = 81,692.44/x
  3. Step 3: Cross multiply
    231,557.37x = 347,338.71 × 81,692.44
  4. Step 4: Simplify right side
    231,557.37x = 28,374,946,726.35
  5. Step 5: Solve for x
    x = 28,374,946,726.35/231,557.37
  6. Step 6: Final answer
    x = 122,539.60

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1.5x scale

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.