Home / 167,371.23-230,971.37-90,889.59

Finding the Fourth Proportional to 167,371.23, 230,971.37 and 90,889.59

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Solution

The fourth proportional to 167,371.23, 230,971.37 and 90,889.59 is: 125,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,371.23 : 230,971.37 = 90,889.59 : x
  2. Step 2: Convert to fraction form
    167,371.23/230,971.37 = 90,889.59/x
  3. Step 3: Cross multiply
    167,371.23x = 230,971.37 × 90,889.59
  4. Step 4: Simplify right side
    167,371.23x = 20,992,892,666.59
  5. Step 5: Solve for x
    x = 20,992,892,666.59/167,371.23
  6. Step 6: Final answer
    x = 125,427.13

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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.