Home / 109,824.30-164,930.85-84,924.90

Finding the Fourth Proportional to 109,824.30, 164,930.85 and 84,924.90

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Solution

The fourth proportional to 109,824.30, 164,930.85 and 84,924.90 is: 127,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,824.30 : 164,930.85 = 84,924.90 : x
  2. Step 2: Convert to fraction form
    109,824.30/164,930.85 = 84,924.90/x
  3. Step 3: Cross multiply
    109,824.30x = 164,930.85 × 84,924.90
  4. Step 4: Simplify right side
    109,824.30x = 14,006,735,943.17
  5. Step 5: Solve for x
    x = 14,006,735,943.17/109,824.30
  6. Step 6: Final answer
    x = 127,537.68

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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.