Home / 283,450.76-391,145.46-162,611.72

Finding the Fourth Proportional to 283,450.76, 391,145.46 and 162,611.72

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Solution

The fourth proportional to 283,450.76, 391,145.46 and 162,611.72 is: 224,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,450.76 : 391,145.46 = 162,611.72 : x
  2. Step 2: Convert to fraction form
    283,450.76/391,145.46 = 162,611.72/x
  3. Step 3: Cross multiply
    283,450.76x = 391,145.46 × 162,611.72
  4. Step 4: Simplify right side
    283,450.76x = 63,604,836,020.79
  5. Step 5: Solve for x
    x = 63,604,836,020.79/283,450.76
  6. Step 6: Final answer
    x = 224,394.66

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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.