Home / 231,745.67-347,531.02-106,999.19

Finding the Fourth Proportional to 231,745.67, 347,531.02 and 106,999.19

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Solution

The fourth proportional to 231,745.67, 347,531.02 and 106,999.19 is: 160,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,745.67 : 347,531.02 = 106,999.19 : x
  2. Step 2: Convert to fraction form
    231,745.67/347,531.02 = 106,999.19/x
  3. Step 3: Cross multiply
    231,745.67x = 347,531.02 × 106,999.19
  4. Step 4: Simplify right side
    231,745.67x = 37,185,537,639.87
  5. Step 5: Solve for x
    x = 37,185,537,639.87/231,745.67
  6. Step 6: Final answer
    x = 160,458.39

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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.