Home / 161,290.43-222,556.37-92,369.17

Finding the Fourth Proportional to 161,290.43, 222,556.37 and 92,369.17

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Solution

The fourth proportional to 161,290.43, 222,556.37 and 92,369.17 is: 127,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,290.43 : 222,556.37 = 92,369.17 : x
  2. Step 2: Convert to fraction form
    161,290.43/222,556.37 = 92,369.17/x
  3. Step 3: Cross multiply
    161,290.43x = 222,556.37 × 92,369.17
  4. Step 4: Simplify right side
    161,290.43x = 20,557,347,731.50
  5. Step 5: Solve for x
    x = 20,557,347,731.50/161,290.43
  6. Step 6: Final answer
    x = 127,455.47

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1.5x scale

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.