Home / 179,896.28-248,230.31-103,418.64

Finding the Fourth Proportional to 179,896.28, 248,230.31 and 103,418.64

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Solution

The fourth proportional to 179,896.28, 248,230.31 and 103,418.64 is: 142,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,896.28 : 248,230.31 = 103,418.64 : x
  2. Step 2: Convert to fraction form
    179,896.28/248,230.31 = 103,418.64/x
  3. Step 3: Cross multiply
    179,896.28x = 248,230.31 × 103,418.64
  4. Step 4: Simplify right side
    179,896.28x = 25,671,640,549.89
  5. Step 5: Solve for x
    x = 25,671,640,549.89/179,896.28
  6. Step 6: Final answer
    x = 142,702.46

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Why These Related Problems?

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