Home / 343,783.09-474,413.31-190,812.36

Finding the Fourth Proportional to 343,783.09, 474,413.31 and 190,812.36

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Solution

The fourth proportional to 343,783.09, 474,413.31 and 190,812.36 is: 263,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,783.09 : 474,413.31 = 190,812.36 : x
  2. Step 2: Convert to fraction form
    343,783.09/474,413.31 = 190,812.36/x
  3. Step 3: Cross multiply
    343,783.09x = 474,413.31 × 190,812.36
  4. Step 4: Simplify right side
    343,783.09x = 90,523,923,296.51
  5. Step 5: Solve for x
    x = 90,523,923,296.51/343,783.09
  6. Step 6: Final answer
    x = 263,316.98

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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.