Home / 303,213.10-454,163.55-162,807.70

Finding the Fourth Proportional to 303,213.10, 454,163.55 and 162,807.70

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Solution

The fourth proportional to 303,213.10, 454,163.55 and 162,807.70 is: 243,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,213.10 : 454,163.55 = 162,807.70 : x
  2. Step 2: Convert to fraction form
    303,213.10/454,163.55 = 162,807.70/x
  3. Step 3: Cross multiply
    303,213.10x = 454,163.55 × 162,807.70
  4. Step 4: Simplify right side
    303,213.10x = 73,941,322,999.34
  5. Step 5: Solve for x
    x = 73,941,322,999.34/303,213.10
  6. Step 6: Final answer
    x = 243,859.26

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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.