Home / 135,946.50-187,611.44-75,521.73

Finding the Fourth Proportional to 135,946.50, 187,611.44 and 75,521.73

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Solution

The fourth proportional to 135,946.50, 187,611.44 and 75,521.73 is: 104,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,946.50 : 187,611.44 = 75,521.73 : x
  2. Step 2: Convert to fraction form
    135,946.50/187,611.44 = 75,521.73/x
  3. Step 3: Cross multiply
    135,946.50x = 187,611.44 × 75,521.73
  4. Step 4: Simplify right side
    135,946.50x = 14,168,740,138.98
  5. Step 5: Solve for x
    x = 14,168,740,138.98/135,946.50
  6. Step 6: Final answer
    x = 104,222.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.