Home / 187,500.48-281,295.84-76,692.80

Finding the Fourth Proportional to 187,500.48, 281,295.84 and 76,692.80

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Solution

The fourth proportional to 187,500.48, 281,295.84 and 76,692.80 is: 115,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,500.48 : 281,295.84 = 76,692.80 : x
  2. Step 2: Convert to fraction form
    187,500.48/281,295.84 = 76,692.80/x
  3. Step 3: Cross multiply
    187,500.48x = 281,295.84 × 76,692.80
  4. Step 4: Simplify right side
    187,500.48x = 21,573,365,597.95
  5. Step 5: Solve for x
    x = 21,573,365,597.95/187,500.48
  6. Step 6: Final answer
    x = 115,057.66

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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.