Home / 190,696.42-286,046.70-57,577.78

Finding the Fourth Proportional to 190,696.42, 286,046.70 and 57,577.78

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Solution

The fourth proportional to 190,696.42, 286,046.70 and 57,577.78 is: 86,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,696.42 : 286,046.70 = 57,577.78 : x
  2. Step 2: Convert to fraction form
    190,696.42/286,046.70 = 57,577.78/x
  3. Step 3: Cross multiply
    190,696.42x = 286,046.70 × 57,577.78
  4. Step 4: Simplify right side
    190,696.42x = 16,469,933,962.33
  5. Step 5: Solve for x
    x = 16,469,933,962.33/190,696.42
  6. Step 6: Final answer
    x = 86,367.30

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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.