Home / 141,311.73-194,815.29-112,728.33

Finding the Fourth Proportional to 141,311.73, 194,815.29 and 112,728.33

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Solution

The fourth proportional to 141,311.73, 194,815.29 and 112,728.33 is: 155,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,311.73 : 194,815.29 = 112,728.33 : x
  2. Step 2: Convert to fraction form
    141,311.73/194,815.29 = 112,728.33/x
  3. Step 3: Cross multiply
    141,311.73x = 194,815.29 × 112,728.33
  4. Step 4: Simplify right side
    141,311.73x = 21,961,202,300.17
  5. Step 5: Solve for x
    x = 21,961,202,300.17/141,311.73
  6. Step 6: Final answer
    x = 155,409.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.