Home / 199,033.02-274,669.02-112,989.78

Finding the Fourth Proportional to 199,033.02, 274,669.02 and 112,989.78

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Solution

The fourth proportional to 199,033.02, 274,669.02 and 112,989.78 is: 155,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,033.02 : 274,669.02 = 112,989.78 : x
  2. Step 2: Convert to fraction form
    199,033.02/274,669.02 = 112,989.78/x
  3. Step 3: Cross multiply
    199,033.02x = 274,669.02 × 112,989.78
  4. Step 4: Simplify right side
    199,033.02x = 31,034,792,142.62
  5. Step 5: Solve for x
    x = 31,034,792,142.62/199,033.02
  6. Step 6: Final answer
    x = 155,927.86

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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.