Home / 149,021.37-223,546.64-54,277.29

Finding the Fourth Proportional to 149,021.37, 223,546.64 and 54,277.29

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Solution

The fourth proportional to 149,021.37, 223,546.64 and 54,277.29 is: 81,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.37 : 223,546.64 = 54,277.29 : x
  2. Step 2: Convert to fraction form
    149,021.37/223,546.64 = 54,277.29/x
  3. Step 3: Cross multiply
    149,021.37x = 223,546.64 × 54,277.29
  4. Step 4: Simplify right side
    149,021.37x = 12,133,505,536.42
  5. Step 5: Solve for x
    x = 12,133,505,536.42/149,021.37
  6. Step 6: Final answer
    x = 81,421.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.