Home / 118,566.44-163,626.92-68,281.64

Finding the Fourth Proportional to 118,566.44, 163,626.92 and 68,281.64

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Solution

The fourth proportional to 118,566.44, 163,626.92 and 68,281.64 is: 94,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,566.44 : 163,626.92 = 68,281.64 : x
  2. Step 2: Convert to fraction form
    118,566.44/163,626.92 = 68,281.64/x
  3. Step 3: Cross multiply
    118,566.44x = 163,626.92 × 68,281.64
  4. Step 4: Simplify right side
    118,566.44x = 11,172,714,445.75
  5. Step 5: Solve for x
    x = 11,172,714,445.75/118,566.44
  6. Step 6: Final answer
    x = 94,231.68

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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.