Home / 207,960.30-311,940.50-58,222.64

Finding the Fourth Proportional to 207,960.30, 311,940.50 and 58,222.64

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Solution

The fourth proportional to 207,960.30, 311,940.50 and 58,222.64 is: 87,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,960.30 : 311,940.50 = 58,222.64 : x
  2. Step 2: Convert to fraction form
    207,960.30/311,940.50 = 58,222.64/x
  3. Step 3: Cross multiply
    207,960.30x = 311,940.50 × 58,222.64
  4. Step 4: Simplify right side
    207,960.30x = 18,161,999,921.66
  5. Step 5: Solve for x
    x = 18,161,999,921.66/207,960.30
  6. Step 6: Final answer
    x = 87,333.98

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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.