Home / 106,189.09-146,533.39-63,166.21

Finding the Fourth Proportional to 106,189.09, 146,533.39 and 63,166.21

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Solution

The fourth proportional to 106,189.09, 146,533.39 and 63,166.21 is: 87,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,189.09 : 146,533.39 = 63,166.21 : x
  2. Step 2: Convert to fraction form
    106,189.09/146,533.39 = 63,166.21/x
  3. Step 3: Cross multiply
    106,189.09x = 146,533.39 × 63,166.21
  4. Step 4: Simplify right side
    106,189.09x = 9,255,958,884.75
  5. Step 5: Solve for x
    x = 9,255,958,884.75/106,189.09
  6. Step 6: Final answer
    x = 87,164.88

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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.