Home / 286,865.35-395,957.57-191,371.82

Finding the Fourth Proportional to 286,865.35, 395,957.57 and 191,371.82

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Solution

The fourth proportional to 286,865.35, 395,957.57 and 191,371.82 is: 264,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,865.35 : 395,957.57 = 191,371.82 : x
  2. Step 2: Convert to fraction form
    286,865.35/395,957.57 = 191,371.82/x
  3. Step 3: Cross multiply
    286,865.35x = 395,957.57 × 191,371.82
  4. Step 4: Simplify right side
    286,865.35x = 75,775,117,877.03
  5. Step 5: Solve for x
    x = 75,775,117,877.03/286,865.35
  6. Step 6: Final answer
    x = 264,148.73

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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.