Home / 199,099.73-274,758-118,530.04

Finding the Fourth Proportional to 199,099.73, 274,758 and 118,530.04

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Solution

The fourth proportional to 199,099.73, 274,758 and 118,530.04 is: 163,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,099.73 : 274,758 = 118,530.04 : x
  2. Step 2: Convert to fraction form
    199,099.73/274,758 = 118,530.04/x
  3. Step 3: Cross multiply
    199,099.73x = 274,758 × 118,530.04
  4. Step 4: Simplify right side
    199,099.73x = 32,567,076,730.32
  5. Step 5: Solve for x
    x = 32,567,076,730.32/199,099.73
  6. Step 6: Final answer
    x = 163,571.68

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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.