Home / 251,942.60-377,815.46-111,602.81

Finding the Fourth Proportional to 251,942.60, 377,815.46 and 111,602.81

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Solution

The fourth proportional to 251,942.60, 377,815.46 and 111,602.81 is: 167,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,942.60 : 377,815.46 = 111,602.81 : x
  2. Step 2: Convert to fraction form
    251,942.60/377,815.46 = 111,602.81/x
  3. Step 3: Cross multiply
    251,942.60x = 377,815.46 × 111,602.81
  4. Step 4: Simplify right side
    251,942.60x = 42,165,267,383.97
  5. Step 5: Solve for x
    x = 42,165,267,383.97/251,942.60
  6. Step 6: Final answer
    x = 167,360.61

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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.