Home / 118,725.14-178,107.16-56,374.58

Finding the Fourth Proportional to 118,725.14, 178,107.16 and 56,374.58

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Solution

The fourth proportional to 118,725.14, 178,107.16 and 56,374.58 is: 84,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,725.14 : 178,107.16 = 56,374.58 : x
  2. Step 2: Convert to fraction form
    118,725.14/178,107.16 = 56,374.58/x
  3. Step 3: Cross multiply
    118,725.14x = 178,107.16 × 56,374.58
  4. Step 4: Simplify right side
    118,725.14x = 10,040,716,339.99
  5. Step 5: Solve for x
    x = 10,040,716,339.99/118,725.14
  6. Step 6: Final answer
    x = 84,571.11

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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.