Home / 288,961.20-398,592.09-190,845.05

Finding the Fourth Proportional to 288,961.20, 398,592.09 and 190,845.05

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Solution

The fourth proportional to 288,961.20, 398,592.09 and 190,845.05 is: 263,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,961.20 : 398,592.09 = 190,845.05 : x
  2. Step 2: Convert to fraction form
    288,961.20/398,592.09 = 190,845.05/x
  3. Step 3: Cross multiply
    288,961.20x = 398,592.09 × 190,845.05
  4. Step 4: Simplify right side
    288,961.20x = 76,069,325,352.69
  5. Step 5: Solve for x
    x = 76,069,325,352.69/288,961.20
  6. Step 6: Final answer
    x = 263,251.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.