Home / 190,554.60-285,845.27-57,435.96

Finding the Fourth Proportional to 190,554.60, 285,845.27 and 57,435.96

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Solution

The fourth proportional to 190,554.60, 285,845.27 and 57,435.96 is: 86,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,554.60 : 285,845.27 = 57,435.96 : x
  2. Step 2: Convert to fraction form
    190,554.60/285,845.27 = 57,435.96/x
  3. Step 3: Cross multiply
    190,554.60x = 285,845.27 × 57,435.96
  4. Step 4: Simplify right side
    190,554.60x = 16,417,797,493.91
  5. Step 5: Solve for x
    x = 16,417,797,493.91/190,554.60
  6. Step 6: Final answer
    x = 86,157.97

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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.