Home / 199,967.23-275,771.89-156,365.44

Finding the Fourth Proportional to 199,967.23, 275,771.89 and 156,365.44

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Solution

The fourth proportional to 199,967.23, 275,771.89 and 156,365.44 is: 215,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,967.23 : 275,771.89 = 156,365.44 : x
  2. Step 2: Convert to fraction form
    199,967.23/275,771.89 = 156,365.44/x
  3. Step 3: Cross multiply
    199,967.23x = 275,771.89 × 156,365.44
  4. Step 4: Simplify right side
    199,967.23x = 43,121,192,425.51
  5. Step 5: Solve for x
    x = 43,121,192,425.51/199,967.23
  6. Step 6: Final answer
    x = 215,641.29

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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.