Home / 198,368.16-273,750-108,944.16

Finding the Fourth Proportional to 198,368.16, 273,750 and 108,944.16

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Solution

The fourth proportional to 198,368.16, 273,750 and 108,944.16 is: 150,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,368.16 : 273,750 = 108,944.16 : x
  2. Step 2: Convert to fraction form
    198,368.16/273,750 = 108,944.16/x
  3. Step 3: Cross multiply
    198,368.16x = 273,750 × 108,944.16
  4. Step 4: Simplify right side
    198,368.16x = 29,823,463,800
  5. Step 5: Solve for x
    x = 29,823,463,800/198,368.16
  6. Step 6: Final answer
    x = 150,344.01

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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.