Home / 161,777.72-223,187.49-107,355.56

Finding the Fourth Proportional to 161,777.72, 223,187.49 and 107,355.56

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Solution

The fourth proportional to 161,777.72, 223,187.49 and 107,355.56 is: 148,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777.72 : 223,187.49 = 107,355.56 : x
  2. Step 2: Convert to fraction form
    161,777.72/223,187.49 = 107,355.56/x
  3. Step 3: Cross multiply
    161,777.72x = 223,187.49 × 107,355.56
  4. Step 4: Simplify right side
    161,777.72x = 23,960,416,858.01
  5. Step 5: Solve for x
    x = 23,960,416,858.01/161,777.72
  6. Step 6: Final answer
    x = 148,107.03

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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.