Home / 125,330.96-187,997.88-31,836.80

Finding the Fourth Proportional to 125,330.96, 187,997.88 and 31,836.80

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Solution

The fourth proportional to 125,330.96, 187,997.88 and 31,836.80 is: 47,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,330.96 : 187,997.88 = 31,836.80 : x
  2. Step 2: Convert to fraction form
    125,330.96/187,997.88 = 31,836.80/x
  3. Step 3: Cross multiply
    125,330.96x = 187,997.88 × 31,836.80
  4. Step 4: Simplify right side
    125,330.96x = 5,985,250,905.98
  5. Step 5: Solve for x
    x = 5,985,250,905.98/125,330.96
  6. Step 6: Final answer
    x = 47,755.57

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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.