Home / 118,565.44-163,625.54-68,280.64

Finding the Fourth Proportional to 118,565.44, 163,625.54 and 68,280.64

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Solution

The fourth proportional to 118,565.44, 163,625.54 and 68,280.64 is: 94,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.44 : 163,625.54 = 68,280.64 : x
  2. Step 2: Convert to fraction form
    118,565.44/163,625.54 = 68,280.64/x
  3. Step 3: Cross multiply
    118,565.44x = 163,625.54 × 68,280.64
  4. Step 4: Simplify right side
    118,565.44x = 11,172,456,591.55
  5. Step 5: Solve for x
    x = 11,172,456,591.55/118,565.44
  6. Step 6: Final answer
    x = 94,230.30

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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.