Home / 188,675.20-283,144.02-121,949.83

Finding the Fourth Proportional to 188,675.20, 283,144.02 and 121,949.83

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Solution

The fourth proportional to 188,675.20, 283,144.02 and 121,949.83 is: 183,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,675.20 : 283,144.02 = 121,949.83 : x
  2. Step 2: Convert to fraction form
    188,675.20/283,144.02 = 121,949.83/x
  3. Step 3: Cross multiply
    188,675.20x = 283,144.02 × 121,949.83
  4. Step 4: Simplify right side
    188,675.20x = 34,529,363,865.76
  5. Step 5: Solve for x
    x = 34,529,363,865.76/188,675.20
  6. Step 6: Final answer
    x = 183,009.56

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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.