Home / 189,196.77-261,093.31-104,316.85

Finding the Fourth Proportional to 189,196.77, 261,093.31 and 104,316.85

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Solution

The fourth proportional to 189,196.77, 261,093.31 and 104,316.85 is: 143,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,196.77 : 261,093.31 = 104,316.85 : x
  2. Step 2: Convert to fraction form
    189,196.77/261,093.31 = 104,316.85/x
  3. Step 3: Cross multiply
    189,196.77x = 261,093.31 × 104,316.85
  4. Step 4: Simplify right side
    189,196.77x = 27,236,431,133.69
  5. Step 5: Solve for x
    x = 27,236,431,133.69/189,196.77
  6. Step 6: Final answer
    x = 143,958.22

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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.