Home / 180,804.02-271,185.20-72,729.33

Finding the Fourth Proportional to 180,804.02, 271,185.20 and 72,729.33

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Solution

The fourth proportional to 180,804.02, 271,185.20 and 72,729.33 is: 109,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,804.02 : 271,185.20 = 72,729.33 : x
  2. Step 2: Convert to fraction form
    180,804.02/271,185.20 = 72,729.33/x
  3. Step 3: Cross multiply
    180,804.02x = 271,185.20 × 72,729.33
  4. Step 4: Simplify right side
    180,804.02x = 19,723,116,794.06
  5. Step 5: Solve for x
    x = 19,723,116,794.06/180,804.02
  6. Step 6: Final answer
    x = 109,085.61

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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.