Home / 136,885.44-187,529.82-131,768.32

Finding the Fourth Proportional to 136,885.44, 187,529.82 and 131,768.32

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Solution

The fourth proportional to 136,885.44, 187,529.82 and 131,768.32 is: 180,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,885.44 : 187,529.82 = 131,768.32 : x
  2. Step 2: Convert to fraction form
    136,885.44/187,529.82 = 131,768.32/x
  3. Step 3: Cross multiply
    136,885.44x = 187,529.82 × 131,768.32
  4. Step 4: Simplify right side
    136,885.44x = 24,710,489,331.30
  5. Step 5: Solve for x
    x = 24,710,489,331.30/136,885.44
  6. Step 6: Final answer
    x = 180,519.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.