Home / 213,935.19-295,261.65-123,273.51

Finding the Fourth Proportional to 213,935.19, 295,261.65 and 123,273.51

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Solution

The fourth proportional to 213,935.19, 295,261.65 and 123,273.51 is: 170,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,935.19 : 295,261.65 = 123,273.51 : x
  2. Step 2: Convert to fraction form
    213,935.19/295,261.65 = 123,273.51/x
  3. Step 3: Cross multiply
    213,935.19x = 295,261.65 × 123,273.51
  4. Step 4: Simplify right side
    213,935.19x = 36,397,939,963.89
  5. Step 5: Solve for x
    x = 36,397,939,963.89/213,935.19
  6. Step 6: Final answer
    x = 170,135.36

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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.