Home / 282,436.26-389,764.74-155,114.52

Finding the Fourth Proportional to 282,436.26, 389,764.74 and 155,114.52

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Solution

The fourth proportional to 282,436.26, 389,764.74 and 155,114.52 is: 214,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,436.26 : 389,764.74 = 155,114.52 : x
  2. Step 2: Convert to fraction form
    282,436.26/389,764.74 = 155,114.52/x
  3. Step 3: Cross multiply
    282,436.26x = 389,764.74 × 155,114.52
  4. Step 4: Simplify right side
    282,436.26x = 60,458,170,558.02
  5. Step 5: Solve for x
    x = 60,458,170,558.02/282,436.26
  6. Step 6: Final answer
    x = 214,059.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.