Home / 198,245.23-296,993.32-153,653.67

Finding the Fourth Proportional to 198,245.23, 296,993.32 and 153,653.67

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Solution

The fourth proportional to 198,245.23, 296,993.32 and 153,653.67 is: 230,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,245.23 : 296,993.32 = 153,653.67 : x
  2. Step 2: Convert to fraction form
    198,245.23/296,993.32 = 153,653.67/x
  3. Step 3: Cross multiply
    198,245.23x = 296,993.32 × 153,653.67
  4. Step 4: Simplify right side
    198,245.23x = 45,634,111,899.64
  5. Step 5: Solve for x
    x = 45,634,111,899.64/198,245.23
  6. Step 6: Final answer
    x = 230,190.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.