Home / 118,451.37-163,462.62-67,464.09

Finding the Fourth Proportional to 118,451.37, 163,462.62 and 67,464.09

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Solution

The fourth proportional to 118,451.37, 163,462.62 and 67,464.09 is: 93,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,451.37 : 163,462.62 = 67,464.09 : x
  2. Step 2: Convert to fraction form
    118,451.37/163,462.62 = 67,464.09/x
  3. Step 3: Cross multiply
    118,451.37x = 163,462.62 × 67,464.09
  4. Step 4: Simplify right side
    118,451.37x = 11,027,856,907.32
  5. Step 5: Solve for x
    x = 11,027,856,907.32/118,451.37
  6. Step 6: Final answer
    x = 93,100.29

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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.