Home / 263,483.02-395,165.39-121,191.62

Finding the Fourth Proportional to 263,483.02, 395,165.39 and 121,191.62

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Solution

The fourth proportional to 263,483.02, 395,165.39 and 121,191.62 is: 181,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,483.02 : 395,165.39 = 121,191.62 : x
  2. Step 2: Convert to fraction form
    263,483.02/395,165.39 = 121,191.62/x
  3. Step 3: Cross multiply
    263,483.02x = 395,165.39 × 121,191.62
  4. Step 4: Simplify right side
    263,483.02x = 47,890,733,462.02
  5. Step 5: Solve for x
    x = 47,890,733,462.02/263,483.02
  6. Step 6: Final answer
    x = 181,760.23

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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.