Home / 190,630.44-285,947.73-57,511.86

Finding the Fourth Proportional to 190,630.44, 285,947.73 and 57,511.86

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Solution

The fourth proportional to 190,630.44, 285,947.73 and 57,511.86 is: 86,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,630.44 : 285,947.73 = 57,511.86 : x
  2. Step 2: Convert to fraction form
    190,630.44/285,947.73 = 57,511.86/x
  3. Step 3: Cross multiply
    190,630.44x = 285,947.73 × 57,511.86
  4. Step 4: Simplify right side
    190,630.44x = 16,445,385,815.08
  5. Step 5: Solve for x
    x = 16,445,385,815.08/190,630.44
  6. Step 6: Final answer
    x = 86,268.41

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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.