Home / 161,948.67-223,489.56-90,333.33

Finding the Fourth Proportional to 161,948.67, 223,489.56 and 90,333.33

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Solution

The fourth proportional to 161,948.67, 223,489.56 and 90,333.33 is: 124,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,948.67 : 223,489.56 = 90,333.33 : x
  2. Step 2: Convert to fraction form
    161,948.67/223,489.56 = 90,333.33/x
  3. Step 3: Cross multiply
    161,948.67x = 223,489.56 × 90,333.33
  4. Step 4: Simplify right side
    161,948.67x = 20,188,556,175.03
  5. Step 5: Solve for x
    x = 20,188,556,175.03/161,948.67
  6. Step 6: Final answer
    x = 124,660.22

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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.