Home / 168,785.15-253,099.81-62,142.33

Finding the Fourth Proportional to 168,785.15, 253,099.81 and 62,142.33

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Solution

The fourth proportional to 168,785.15, 253,099.81 and 62,142.33 is: 93,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785.15 : 253,099.81 = 62,142.33 : x
  2. Step 2: Convert to fraction form
    168,785.15/253,099.81 = 62,142.33/x
  3. Step 3: Cross multiply
    168,785.15x = 253,099.81 × 62,142.33
  4. Step 4: Simplify right side
    168,785.15x = 15,728,211,915.96
  5. Step 5: Solve for x
    x = 15,728,211,915.96/168,785.15
  6. Step 6: Final answer
    x = 93,184.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.