Home / 188,038.10-281,791.94-103,836.17

Finding the Fourth Proportional to 188,038.10, 281,791.94 and 103,836.17

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Solution

The fourth proportional to 188,038.10, 281,791.94 and 103,836.17 is: 155,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,038.10 : 281,791.94 = 103,836.17 : x
  2. Step 2: Convert to fraction form
    188,038.10/281,791.94 = 103,836.17/x
  3. Step 3: Cross multiply
    188,038.10x = 281,791.94 × 103,836.17
  4. Step 4: Simplify right side
    188,038.10x = 29,260,193,858.33
  5. Step 5: Solve for x
    x = 29,260,193,858.33/188,038.10
  6. Step 6: Final answer
    x = 155,607.80

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1.5x scale

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.