Home / 190,628.44-285,944.73-57,509.86

Finding the Fourth Proportional to 190,628.44, 285,944.73 and 57,509.86

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Solution

The fourth proportional to 190,628.44, 285,944.73 and 57,509.86 is: 86,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,628.44 : 285,944.73 = 57,509.86 : x
  2. Step 2: Convert to fraction form
    190,628.44/285,944.73 = 57,509.86/x
  3. Step 3: Cross multiply
    190,628.44x = 285,944.73 × 57,509.86
  4. Step 4: Simplify right side
    190,628.44x = 16,444,641,390.04
  5. Step 5: Solve for x
    x = 16,444,641,390.04/190,628.44
  6. Step 6: Final answer
    x = 86,265.41

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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.