Home / 281,626.80-422,466.09-92,088.15

Finding the Fourth Proportional to 281,626.80, 422,466.09 and 92,088.15

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Solution

The fourth proportional to 281,626.80, 422,466.09 and 92,088.15 is: 138,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,626.80 : 422,466.09 = 92,088.15 : x
  2. Step 2: Convert to fraction form
    281,626.80/422,466.09 = 92,088.15/x
  3. Step 3: Cross multiply
    281,626.80x = 422,466.09 × 92,088.15
  4. Step 4: Simplify right side
    281,626.80x = 38,904,120,665.83
  5. Step 5: Solve for x
    x = 38,904,120,665.83/281,626.80
  6. Step 6: Final answer
    x = 138,140.69

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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.