Home / 228,975.12-343,365.48-123,765.84

Finding the Fourth Proportional to 228,975.12, 343,365.48 and 123,765.84

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Solution

The fourth proportional to 228,975.12, 343,365.48 and 123,765.84 is: 185,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,975.12 : 343,365.48 = 123,765.84 : x
  2. Step 2: Convert to fraction form
    228,975.12/343,365.48 = 123,765.84/x
  3. Step 3: Cross multiply
    228,975.12x = 343,365.48 × 123,765.84
  4. Step 4: Simplify right side
    228,975.12x = 42,496,917,059.20
  5. Step 5: Solve for x
    x = 42,496,917,059.20/228,975.12
  6. Step 6: Final answer
    x = 185,596.22

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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.