Home / 263,468.12-395,276.18-105,807.28

Finding the Fourth Proportional to 263,468.12, 395,276.18 and 105,807.28

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Solution

The fourth proportional to 263,468.12, 395,276.18 and 105,807.28 is: 158,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,468.12 : 395,276.18 = 105,807.28 : x
  2. Step 2: Convert to fraction form
    263,468.12/395,276.18 = 105,807.28/x
  3. Step 3: Cross multiply
    263,468.12x = 395,276.18 × 105,807.28
  4. Step 4: Simplify right side
    263,468.12x = 41,823,097,454.59
  5. Step 5: Solve for x
    x = 41,823,097,454.59/263,468.12
  6. Step 6: Final answer
    x = 158,740.64

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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.