Home / 319,083.14-440,356.51-194,957.25

Finding the Fourth Proportional to 319,083.14, 440,356.51 and 194,957.25

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Solution

The fourth proportional to 319,083.14, 440,356.51 and 194,957.25 is: 269,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,083.14 : 440,356.51 = 194,957.25 : x
  2. Step 2: Convert to fraction form
    319,083.14/440,356.51 = 194,957.25/x
  3. Step 3: Cross multiply
    319,083.14x = 440,356.51 × 194,957.25
  4. Step 4: Simplify right side
    319,083.14x = 85,850,696,379.98
  5. Step 5: Solve for x
    x = 85,850,696,379.98/319,083.14
  6. Step 6: Final answer
    x = 269,054.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.