Home / 298,836.53-412,382.38-162,867.55

Finding the Fourth Proportional to 298,836.53, 412,382.38 and 162,867.55

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Solution

The fourth proportional to 298,836.53, 412,382.38 and 162,867.55 is: 224,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,836.53 : 412,382.38 = 162,867.55 : x
  2. Step 2: Convert to fraction form
    298,836.53/412,382.38 = 162,867.55/x
  3. Step 3: Cross multiply
    298,836.53x = 412,382.38 × 162,867.55
  4. Step 4: Simplify right side
    298,836.53x = 67,163,707,893.77
  5. Step 5: Solve for x
    x = 67,163,707,893.77/298,836.53
  6. Step 6: Final answer
    x = 224,750.66

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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.