Home / 207,728.50-311,645.34-57,968.77

Finding the Fourth Proportional to 207,728.50, 311,645.34 and 57,968.77

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Solution

The fourth proportional to 207,728.50, 311,645.34 and 57,968.77 is: 86,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,728.50 : 311,645.34 = 57,968.77 : x
  2. Step 2: Convert to fraction form
    207,728.50/311,645.34 = 57,968.77/x
  3. Step 3: Cross multiply
    207,728.50x = 311,645.34 × 57,968.77
  4. Step 4: Simplify right side
    207,728.50x = 18,065,696,256.92
  5. Step 5: Solve for x
    x = 18,065,696,256.92/207,728.50
  6. Step 6: Final answer
    x = 86,967.83

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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.