Home / 298,785.24-412,319.88-162,825.12

Finding the Fourth Proportional to 298,785.24, 412,319.88 and 162,825.12

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Solution

The fourth proportional to 298,785.24, 412,319.88 and 162,825.12 is: 224,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,785.24 : 412,319.88 = 162,825.12 : x
  2. Step 2: Convert to fraction form
    298,785.24/412,319.88 = 162,825.12/x
  3. Step 3: Cross multiply
    298,785.24x = 412,319.88 × 162,825.12
  4. Step 4: Simplify right side
    298,785.24x = 67,136,033,939.39
  5. Step 5: Solve for x
    x = 67,136,033,939.39/298,785.24
  6. Step 6: Final answer
    x = 224,696.62

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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.