Home / 281,772.40-422,698.08-92,247.60

Finding the Fourth Proportional to 281,772.40, 422,698.08 and 92,247.60

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Solution

The fourth proportional to 281,772.40, 422,698.08 and 92,247.60 is: 138,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,772.40 : 422,698.08 = 92,247.60 : x
  2. Step 2: Convert to fraction form
    281,772.40/422,698.08 = 92,247.60/x
  3. Step 3: Cross multiply
    281,772.40x = 422,698.08 × 92,247.60
  4. Step 4: Simplify right side
    281,772.40x = 38,992,883,404.61
  5. Step 5: Solve for x
    x = 38,992,883,404.61/281,772.40
  6. Step 6: Final answer
    x = 138,384.33

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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.