Home / 192,826.20-289,239.30-188,889.60

Finding the Fourth Proportional to 192,826.20, 289,239.30 and 188,889.60

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Solution

The fourth proportional to 192,826.20, 289,239.30 and 188,889.60 is: 283,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,826.20 : 289,239.30 = 188,889.60 : x
  2. Step 2: Convert to fraction form
    192,826.20/289,239.30 = 188,889.60/x
  3. Step 3: Cross multiply
    192,826.20x = 289,239.30 × 188,889.60
  4. Step 4: Simplify right side
    192,826.20x = 54,634,295,681.28
  5. Step 5: Solve for x
    x = 54,634,295,681.28/192,826.20
  6. Step 6: Final answer
    x = 283,334.40

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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.