Home / 118,482.32-163,523.40-68,171.60

Finding the Fourth Proportional to 118,482.32, 163,523.40 and 68,171.60

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Solution

The fourth proportional to 118,482.32, 163,523.40 and 68,171.60 is: 94,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,482.32 : 163,523.40 = 68,171.60 : x
  2. Step 2: Convert to fraction form
    118,482.32/163,523.40 = 68,171.60/x
  3. Step 3: Cross multiply
    118,482.32x = 163,523.40 × 68,171.60
  4. Step 4: Simplify right side
    118,482.32x = 11,147,651,815.44
  5. Step 5: Solve for x
    x = 11,147,651,815.44/118,482.32
  6. Step 6: Final answer
    x = 94,087.05

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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.