Home / 133,113.18-199,553.16-50,065.50

Finding the Fourth Proportional to 133,113.18, 199,553.16 and 50,065.50

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Solution

The fourth proportional to 133,113.18, 199,553.16 and 50,065.50 is: 75,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,113.18 : 199,553.16 = 50,065.50 : x
  2. Step 2: Convert to fraction form
    133,113.18/199,553.16 = 50,065.50/x
  3. Step 3: Cross multiply
    133,113.18x = 199,553.16 × 50,065.50
  4. Step 4: Simplify right side
    133,113.18x = 9,990,728,731.98
  5. Step 5: Solve for x
    x = 9,990,728,731.98/133,113.18
  6. Step 6: Final answer
    x = 75,054.39

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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.