Home / 103,716.30-155,185.65-94,385.10

Finding the Fourth Proportional to 103,716.30, 155,185.65 and 94,385.10

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Solution

The fourth proportional to 103,716.30, 155,185.65 and 94,385.10 is: 141,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,716.30 : 155,185.65 = 94,385.10 : x
  2. Step 2: Convert to fraction form
    103,716.30/155,185.65 = 94,385.10/x
  3. Step 3: Cross multiply
    103,716.30x = 155,185.65 × 94,385.10
  4. Step 4: Simplify right side
    103,716.30x = 14,647,213,093.82
  5. Step 5: Solve for x
    x = 14,647,213,093.82/103,716.30
  6. Step 6: Final answer
    x = 141,223.83

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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.