Home / 190,694.39-286,043.85-57,580.49

Finding the Fourth Proportional to 190,694.39, 286,043.85 and 57,580.49

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Solution

The fourth proportional to 190,694.39, 286,043.85 and 57,580.49 is: 86,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,694.39 : 286,043.85 = 57,580.49 : x
  2. Step 2: Convert to fraction form
    190,694.39/286,043.85 = 57,580.49/x
  3. Step 3: Cross multiply
    190,694.39x = 286,043.85 × 57,580.49
  4. Step 4: Simplify right side
    190,694.39x = 16,470,545,759.60
  5. Step 5: Solve for x
    x = 16,470,545,759.60/190,694.39
  6. Step 6: Final answer
    x = 86,371.42

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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.