Home / 281,664-422,522.08-92,125.44

Finding the Fourth Proportional to 281,664, 422,522.08 and 92,125.44

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Solution

The fourth proportional to 281,664, 422,522.08 and 92,125.44 is: 138,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,664 : 422,522.08 = 92,125.44 : x
  2. Step 2: Convert to fraction form
    281,664/422,522.08 = 92,125.44/x
  3. Step 3: Cross multiply
    281,664x = 422,522.08 × 92,125.44
  4. Step 4: Simplify right side
    281,664x = 38,925,032,529.72
  5. Step 5: Solve for x
    x = 38,925,032,529.72/281,664
  6. Step 6: Final answer
    x = 138,196.69

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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.