Home / 189,846.04-261,998.76-109,271.56

Finding the Fourth Proportional to 189,846.04, 261,998.76 and 109,271.56

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Solution

The fourth proportional to 189,846.04, 261,998.76 and 109,271.56 is: 150,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846.04 : 261,998.76 = 109,271.56 : x
  2. Step 2: Convert to fraction form
    189,846.04/261,998.76 = 109,271.56/x
  3. Step 3: Cross multiply
    189,846.04x = 261,998.76 × 109,271.56
  4. Step 4: Simplify right side
    189,846.04x = 28,629,013,223.27
  5. Step 5: Solve for x
    x = 28,629,013,223.27/189,846.04
  6. Step 6: Final answer
    x = 150,801.21

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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.