Home / 133,826.83-200,676.69-77,684.16

Finding the Fourth Proportional to 133,826.83, 200,676.69 and 77,684.16

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Solution

The fourth proportional to 133,826.83, 200,676.69 and 77,684.16 is: 116,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,826.83 : 200,676.69 = 77,684.16 : x
  2. Step 2: Convert to fraction form
    133,826.83/200,676.69 = 77,684.16/x
  3. Step 3: Cross multiply
    133,826.83x = 200,676.69 × 77,684.16
  4. Step 4: Simplify right side
    133,826.83x = 15,589,400,846.77
  5. Step 5: Solve for x
    x = 15,589,400,846.77/133,826.83
  6. Step 6: Final answer
    x = 116,489.35

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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.