Home / 192,867.28-266,157.16-107,985.76

Finding the Fourth Proportional to 192,867.28, 266,157.16 and 107,985.76

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Solution

The fourth proportional to 192,867.28, 266,157.16 and 107,985.76 is: 149,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,867.28 : 266,157.16 = 107,985.76 : x
  2. Step 2: Convert to fraction form
    192,867.28/266,157.16 = 107,985.76/x
  3. Step 3: Cross multiply
    192,867.28x = 266,157.16 × 107,985.76
  4. Step 4: Simplify right side
    192,867.28x = 28,741,183,202.04
  5. Step 5: Solve for x
    x = 28,741,183,202.04/192,867.28
  6. Step 6: Final answer
    x = 149,020.52

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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.