Home / 118,396.73-163,388.06-64,682.64

Finding the Fourth Proportional to 118,396.73, 163,388.06 and 64,682.64

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Solution

The fourth proportional to 118,396.73, 163,388.06 and 64,682.64 is: 89,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,396.73 : 163,388.06 = 64,682.64 : x
  2. Step 2: Convert to fraction form
    118,396.73/163,388.06 = 64,682.64/x
  3. Step 3: Cross multiply
    118,396.73x = 163,388.06 × 64,682.64
  4. Step 4: Simplify right side
    118,396.73x = 10,568,371,065.28
  5. Step 5: Solve for x
    x = 10,568,371,065.28/118,396.73
  6. Step 6: Final answer
    x = 89,262.36

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1.5x scale

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.