Home / 205,330.20-307,995.30-116,856.60

Finding the Fourth Proportional to 205,330.20, 307,995.30 and 116,856.60

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Solution

The fourth proportional to 205,330.20, 307,995.30 and 116,856.60 is: 175,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,330.20 : 307,995.30 = 116,856.60 : x
  2. Step 2: Convert to fraction form
    205,330.20/307,995.30 = 116,856.60/x
  3. Step 3: Cross multiply
    205,330.20x = 307,995.30 × 116,856.60
  4. Step 4: Simplify right side
    205,330.20x = 35,991,283,573.98
  5. Step 5: Solve for x
    x = 35,991,283,573.98/205,330.20
  6. Step 6: Final answer
    x = 175,284.90

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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.