Home / 122,666.35-184,491.60-109,872.40

Finding the Fourth Proportional to 122,666.35, 184,491.60 and 109,872.40

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Solution

The fourth proportional to 122,666.35, 184,491.60 and 109,872.40 is: 165,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666.35 : 184,491.60 = 109,872.40 : x
  2. Step 2: Convert to fraction form
    122,666.35/184,491.60 = 109,872.40/x
  3. Step 3: Cross multiply
    122,666.35x = 184,491.60 × 109,872.40
  4. Step 4: Simplify right side
    122,666.35x = 20,270,534,871.84
  5. Step 5: Solve for x
    x = 20,270,534,871.84/122,666.35
  6. Step 6: Final answer
    x = 165,249.35

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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.