Home / 143,593.81-198,145.16-83,183.90

Finding the Fourth Proportional to 143,593.81, 198,145.16 and 83,183.90

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Solution

The fourth proportional to 143,593.81, 198,145.16 and 83,183.90 is: 114,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,593.81 : 198,145.16 = 83,183.90 : x
  2. Step 2: Convert to fraction form
    143,593.81/198,145.16 = 83,183.90/x
  3. Step 3: Cross multiply
    143,593.81x = 198,145.16 × 83,183.90
  4. Step 4: Simplify right side
    143,593.81x = 16,482,487,254.37
  5. Step 5: Solve for x
    x = 16,482,487,254.37/143,593.81
  6. Step 6: Final answer
    x = 114,785.50

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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.