Home / 286,734.06-395,802.72-191,205.90

Finding the Fourth Proportional to 286,734.06, 395,802.72 and 191,205.90

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Solution

The fourth proportional to 286,734.06, 395,802.72 and 191,205.90 is: 263,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,734.06 : 395,802.72 = 191,205.90 : x
  2. Step 2: Convert to fraction form
    286,734.06/395,802.72 = 191,205.90/x
  3. Step 3: Cross multiply
    286,734.06x = 395,802.72 × 191,205.90
  4. Step 4: Simplify right side
    286,734.06x = 75,679,815,300.05
  5. Step 5: Solve for x
    x = 75,679,815,300.05/286,734.06
  6. Step 6: Final answer
    x = 263,937.31

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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.