Home / 162,241.72-223,892.19-89,644.37

Finding the Fourth Proportional to 162,241.72, 223,892.19 and 89,644.37

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Solution

The fourth proportional to 162,241.72, 223,892.19 and 89,644.37 is: 123,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,241.72 : 223,892.19 = 89,644.37 : x
  2. Step 2: Convert to fraction form
    162,241.72/223,892.19 = 89,644.37/x
  3. Step 3: Cross multiply
    162,241.72x = 223,892.19 × 89,644.37
  4. Step 4: Simplify right side
    162,241.72x = 20,070,673,201.01
  5. Step 5: Solve for x
    x = 20,070,673,201.01/162,241.72
  6. Step 6: Final answer
    x = 123,708.46

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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.