Home / 231,435.11-347,062.92-79,603.32

Finding the Fourth Proportional to 231,435.11, 347,062.92 and 79,603.32

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Solution

The fourth proportional to 231,435.11, 347,062.92 and 79,603.32 is: 119,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,435.11 : 347,062.92 = 79,603.32 : x
  2. Step 2: Convert to fraction form
    231,435.11/347,062.92 = 79,603.32/x
  3. Step 3: Cross multiply
    231,435.11x = 347,062.92 × 79,603.32
  4. Step 4: Simplify right side
    231,435.11x = 27,627,362,131.64
  5. Step 5: Solve for x
    x = 27,627,362,131.64/231,435.11
  6. Step 6: Final answer
    x = 119,374.12

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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.