Home / 285,209.73-393,611.29-162,704.81

Finding the Fourth Proportional to 285,209.73, 393,611.29 and 162,704.81

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Solution

The fourth proportional to 285,209.73, 393,611.29 and 162,704.81 is: 224,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,209.73 : 393,611.29 = 162,704.81 : x
  2. Step 2: Convert to fraction form
    285,209.73/393,611.29 = 162,704.81/x
  3. Step 3: Cross multiply
    285,209.73x = 393,611.29 × 162,704.81
  4. Step 4: Simplify right side
    285,209.73x = 64,042,447,778.49
  5. Step 5: Solve for x
    x = 64,042,447,778.49/285,209.73
  6. Step 6: Final answer
    x = 224,545.10

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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.