Home / 150,762.07-208,055.62-82,783.43

Finding the Fourth Proportional to 150,762.07, 208,055.62 and 82,783.43

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Solution

The fourth proportional to 150,762.07, 208,055.62 and 82,783.43 is: 114,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,762.07 : 208,055.62 = 82,783.43 : x
  2. Step 2: Convert to fraction form
    150,762.07/208,055.62 = 82,783.43/x
  3. Step 3: Cross multiply
    150,762.07x = 208,055.62 × 82,783.43
  4. Step 4: Simplify right side
    150,762.07x = 17,223,557,854.38
  5. Step 5: Solve for x
    x = 17,223,557,854.38/150,762.07
  6. Step 6: Final answer
    x = 114,243.31

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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.