Home / 189,315.24-261,256.42-104,435.34

Finding the Fourth Proportional to 189,315.24, 261,256.42 and 104,435.34

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Solution

The fourth proportional to 189,315.24, 261,256.42 and 104,435.34 is: 144,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,315.24 : 261,256.42 = 104,435.34 : x
  2. Step 2: Convert to fraction form
    189,315.24/261,256.42 = 104,435.34/x
  3. Step 3: Cross multiply
    189,315.24x = 261,256.42 × 104,435.34
  4. Step 4: Simplify right side
    189,315.24x = 27,284,403,049.88
  5. Step 5: Solve for x
    x = 27,284,403,049.88/189,315.24
  6. Step 6: Final answer
    x = 144,121.54

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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.