Home / 130,197.83-179,692.16-82,455.62

Finding the Fourth Proportional to 130,197.83, 179,692.16 and 82,455.62

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Solution

The fourth proportional to 130,197.83, 179,692.16 and 82,455.62 is: 113,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,197.83 : 179,692.16 = 82,455.62 : x
  2. Step 2: Convert to fraction form
    130,197.83/179,692.16 = 82,455.62/x
  3. Step 3: Cross multiply
    130,197.83x = 179,692.16 × 82,455.62
  4. Step 4: Simplify right side
    130,197.83x = 14,816,627,151.20
  5. Step 5: Solve for x
    x = 14,816,627,151.20/130,197.83
  6. Step 6: Final answer
    x = 113,800.88

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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.