Home / 213,633.45-319,056.57-181,703.25

Finding the Fourth Proportional to 213,633.45, 319,056.57 and 181,703.25

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Solution

The fourth proportional to 213,633.45, 319,056.57 and 181,703.25 is: 271,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,633.45 : 319,056.57 = 181,703.25 : x
  2. Step 2: Convert to fraction form
    213,633.45/319,056.57 = 181,703.25/x
  3. Step 3: Cross multiply
    213,633.45x = 319,056.57 × 181,703.25
  4. Step 4: Simplify right side
    213,633.45x = 57,973,615,702.85
  5. Step 5: Solve for x
    x = 57,973,615,702.85/213,633.45
  6. Step 6: Final answer
    x = 271,369.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.