Home / 263,457.15-395,186.78-63,777.23

Finding the Fourth Proportional to 263,457.15, 395,186.78 and 63,777.23

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Solution

The fourth proportional to 263,457.15, 395,186.78 and 63,777.23 is: 95,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,457.15 : 395,186.78 = 63,777.23 : x
  2. Step 2: Convert to fraction form
    263,457.15/395,186.78 = 63,777.23/x
  3. Step 3: Cross multiply
    263,457.15x = 395,186.78 × 63,777.23
  4. Step 4: Simplify right side
    263,457.15x = 25,203,918,161.02
  5. Step 5: Solve for x
    x = 25,203,918,161.02/263,457.15
  6. Step 6: Final answer
    x = 95,666.10

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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.