Home / 263,498.19-395,188.16-121,206.82

Finding the Fourth Proportional to 263,498.19, 395,188.16 and 121,206.82

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Solution

The fourth proportional to 263,498.19, 395,188.16 and 121,206.82 is: 181,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,498.19 : 395,188.16 = 121,206.82 : x
  2. Step 2: Convert to fraction form
    263,498.19/395,188.16 = 121,206.82/x
  3. Step 3: Cross multiply
    263,498.19x = 395,188.16 × 121,206.82
  4. Step 4: Simplify right side
    263,498.19x = 47,899,498,199.31
  5. Step 5: Solve for x
    x = 47,899,498,199.31/263,498.19
  6. Step 6: Final answer
    x = 181,783.03

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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.