Home / 186,915.67-280,198.51-103,634.71

Finding the Fourth Proportional to 186,915.67, 280,198.51 and 103,634.71

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Solution

The fourth proportional to 186,915.67, 280,198.51 and 103,634.71 is: 155,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,915.67 : 280,198.51 = 103,634.71 : x
  2. Step 2: Convert to fraction form
    186,915.67/280,198.51 = 103,634.71/x
  3. Step 3: Cross multiply
    186,915.67x = 280,198.51 × 103,634.71
  4. Step 4: Simplify right side
    186,915.67x = 29,038,290,366.70
  5. Step 5: Solve for x
    x = 29,038,290,366.70/186,915.67
  6. Step 6: Final answer
    x = 155,355.04

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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.