Home / 161,906.55-223,425.79-89,309.27

Finding the Fourth Proportional to 161,906.55, 223,425.79 and 89,309.27

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Solution

The fourth proportional to 161,906.55, 223,425.79 and 89,309.27 is: 123,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,906.55 : 223,425.79 = 89,309.27 : x
  2. Step 2: Convert to fraction form
    161,906.55/223,425.79 = 89,309.27/x
  3. Step 3: Cross multiply
    161,906.55x = 223,425.79 × 89,309.27
  4. Step 4: Simplify right side
    161,906.55x = 19,953,994,204.07
  5. Step 5: Solve for x
    x = 19,953,994,204.07/161,906.55
  6. Step 6: Final answer
    x = 123,243.90

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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.