Home / 339,811.32-468,930.21-186,849.81

Finding the Fourth Proportional to 339,811.32, 468,930.21 and 186,849.81

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Solution

The fourth proportional to 339,811.32, 468,930.21 and 186,849.81 is: 257,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,811.32 : 468,930.21 = 186,849.81 : x
  2. Step 2: Convert to fraction form
    339,811.32/468,930.21 = 186,849.81/x
  3. Step 3: Cross multiply
    339,811.32x = 468,930.21 × 186,849.81
  4. Step 4: Simplify right side
    339,811.32x = 87,619,520,641.76
  5. Step 5: Solve for x
    x = 87,619,520,641.76/339,811.32
  6. Step 6: Final answer
    x = 257,847.56

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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.