Home / 104,720.63-155,896.46-104,097.85

Finding the Fourth Proportional to 104,720.63, 155,896.46 and 104,097.85

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Solution

The fourth proportional to 104,720.63, 155,896.46 and 104,097.85 is: 154,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.63 : 155,896.46 = 104,097.85 : x
  2. Step 2: Convert to fraction form
    104,720.63/155,896.46 = 104,097.85/x
  3. Step 3: Cross multiply
    104,720.63x = 155,896.46 × 104,097.85
  4. Step 4: Simplify right side
    104,720.63x = 16,228,486,179.11
  5. Step 5: Solve for x
    x = 16,228,486,179.11/104,720.63
  6. Step 6: Final answer
    x = 154,969.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.