Home / 201,940.02-302,936.22-68,784.66

Finding the Fourth Proportional to 201,940.02, 302,936.22 and 68,784.66

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Solution

The fourth proportional to 201,940.02, 302,936.22 and 68,784.66 is: 103,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,940.02 : 302,936.22 = 68,784.66 : x
  2. Step 2: Convert to fraction form
    201,940.02/302,936.22 = 68,784.66/x
  3. Step 3: Cross multiply
    201,940.02x = 302,936.22 × 68,784.66
  4. Step 4: Simplify right side
    201,940.02x = 20,837,364,894.39
  5. Step 5: Solve for x
    x = 20,837,364,894.39/201,940.02
  6. Step 6: Final answer
    x = 103,185.91

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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.