Home / 143,224.94-197,568.18-89,416.54

Finding the Fourth Proportional to 143,224.94, 197,568.18 and 89,416.54

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Solution

The fourth proportional to 143,224.94, 197,568.18 and 89,416.54 is: 123,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,224.94 : 197,568.18 = 89,416.54 : x
  2. Step 2: Convert to fraction form
    143,224.94/197,568.18 = 89,416.54/x
  3. Step 3: Cross multiply
    143,224.94x = 197,568.18 × 89,416.54
  4. Step 4: Simplify right side
    143,224.94x = 17,665,863,293.24
  5. Step 5: Solve for x
    x = 17,665,863,293.24/143,224.94
  6. Step 6: Final answer
    x = 123,343.48

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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.