Home / 298,789.18-412,323.90-162,824.30

Finding the Fourth Proportional to 298,789.18, 412,323.90 and 162,824.30

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Solution

The fourth proportional to 298,789.18, 412,323.90 and 162,824.30 is: 224,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,789.18 : 412,323.90 = 162,824.30 : x
  2. Step 2: Convert to fraction form
    298,789.18/412,323.90 = 162,824.30/x
  3. Step 3: Cross multiply
    298,789.18x = 412,323.90 × 162,824.30
  4. Step 4: Simplify right side
    298,789.18x = 67,136,350,390.77
  5. Step 5: Solve for x
    x = 67,136,350,390.77/298,789.18
  6. Step 6: Final answer
    x = 224,694.72

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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.