Home / 190,723.71-286,090.43-57,608.31

Finding the Fourth Proportional to 190,723.71, 286,090.43 and 57,608.31

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Solution

The fourth proportional to 190,723.71, 286,090.43 and 57,608.31 is: 86,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,723.71 : 286,090.43 = 57,608.31 : x
  2. Step 2: Convert to fraction form
    190,723.71/286,090.43 = 57,608.31/x
  3. Step 3: Cross multiply
    190,723.71x = 286,090.43 × 57,608.31
  4. Step 4: Simplify right side
    190,723.71x = 16,481,186,179.47
  5. Step 5: Solve for x
    x = 16,481,186,179.47/190,723.71
  6. Step 6: Final answer
    x = 86,413.93

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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.