Home / 118,933.83-178,050.81-79,392.87

Finding the Fourth Proportional to 118,933.83, 178,050.81 and 79,392.87

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Solution

The fourth proportional to 118,933.83, 178,050.81 and 79,392.87 is: 118,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,933.83 : 178,050.81 = 79,392.87 : x
  2. Step 2: Convert to fraction form
    118,933.83/178,050.81 = 79,392.87/x
  3. Step 3: Cross multiply
    118,933.83x = 178,050.81 × 79,392.87
  4. Step 4: Simplify right side
    118,933.83x = 14,135,964,811.72
  5. Step 5: Solve for x
    x = 14,135,964,811.72/118,933.83
  6. Step 6: Final answer
    x = 118,855.71

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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.