Home / 188,891.07-283,336.20-70,571.67

Finding the Fourth Proportional to 188,891.07, 283,336.20 and 70,571.67

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Solution

The fourth proportional to 188,891.07, 283,336.20 and 70,571.67 is: 105,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,891.07 : 283,336.20 = 70,571.67 : x
  2. Step 2: Convert to fraction form
    188,891.07/283,336.20 = 70,571.67/x
  3. Step 3: Cross multiply
    188,891.07x = 283,336.20 × 70,571.67
  4. Step 4: Simplify right side
    188,891.07x = 19,995,508,805.45
  5. Step 5: Solve for x
    x = 19,995,508,805.45/188,891.07
  6. Step 6: Final answer
    x = 105,857.35

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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.