Home / 550,734.87-825,915.22-190,821.73

Finding the Fourth Proportional to 550,734.87, 825,915.22 and 190,821.73

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Solution

The fourth proportional to 550,734.87, 825,915.22 and 190,821.73 is: 286,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,734.87 : 825,915.22 = 190,821.73 : x
  2. Step 2: Convert to fraction form
    550,734.87/825,915.22 = 190,821.73/x
  3. Step 3: Cross multiply
    550,734.87x = 825,915.22 × 190,821.73
  4. Step 4: Simplify right side
    550,734.87x = 157,602,571,113.73
  5. Step 5: Solve for x
    x = 157,602,571,113.73/550,734.87
  6. Step 6: Final answer
    x = 286,167.77

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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.