Home / 130,198.08-179,692.50-82,455.87

Finding the Fourth Proportional to 130,198.08, 179,692.50 and 82,455.87

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Solution

The fourth proportional to 130,198.08, 179,692.50 and 82,455.87 is: 113,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,198.08 : 179,692.50 = 82,455.87 : x
  2. Step 2: Convert to fraction form
    130,198.08/179,692.50 = 82,455.87/x
  3. Step 3: Cross multiply
    130,198.08x = 179,692.50 × 82,455.87
  4. Step 4: Simplify right side
    130,198.08x = 14,816,701,419.98
  5. Step 5: Solve for x
    x = 14,816,701,419.98/130,198.08
  6. Step 6: Final answer
    x = 113,801.23

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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.