Home / 228,693.09-343,040.38-57,914.71

Finding the Fourth Proportional to 228,693.09, 343,040.38 and 57,914.71

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Solution

The fourth proportional to 228,693.09, 343,040.38 and 57,914.71 is: 86,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,693.09 : 343,040.38 = 57,914.71 : x
  2. Step 2: Convert to fraction form
    228,693.09/343,040.38 = 57,914.71/x
  3. Step 3: Cross multiply
    228,693.09x = 343,040.38 × 57,914.71
  4. Step 4: Simplify right side
    228,693.09x = 19,867,084,125.99
  5. Step 5: Solve for x
    x = 19,867,084,125.99/228,693.09
  6. Step 6: Final answer
    x = 86,872.25

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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.