Home / 160,109.37-220,977.81-108,403.02

Finding the Fourth Proportional to 160,109.37, 220,977.81 and 108,403.02

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Solution

The fourth proportional to 160,109.37, 220,977.81 and 108,403.02 is: 149,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,109.37 : 220,977.81 = 108,403.02 : x
  2. Step 2: Convert to fraction form
    160,109.37/220,977.81 = 108,403.02/x
  3. Step 3: Cross multiply
    160,109.37x = 220,977.81 × 108,403.02
  4. Step 4: Simplify right side
    160,109.37x = 23,954,661,956.99
  5. Step 5: Solve for x
    x = 23,954,661,956.99/160,109.37
  6. Step 6: Final answer
    x = 149,614.37

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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.