Home / 199,172.72-274,928.80-177,915.04

Finding the Fourth Proportional to 199,172.72, 274,928.80 and 177,915.04

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Solution

The fourth proportional to 199,172.72, 274,928.80 and 177,915.04 is: 245,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,172.72 : 274,928.80 = 177,915.04 : x
  2. Step 2: Convert to fraction form
    199,172.72/274,928.80 = 177,915.04/x
  3. Step 3: Cross multiply
    199,172.72x = 274,928.80 × 177,915.04
  4. Step 4: Simplify right side
    199,172.72x = 48,913,968,449.15
  5. Step 5: Solve for x
    x = 48,913,968,449.15/199,172.72
  6. Step 6: Final answer
    x = 245,585.68

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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.