Home / 205,683.48-308,563.78-93,371.54

Finding the Fourth Proportional to 205,683.48, 308,563.78 and 93,371.54

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Solution

The fourth proportional to 205,683.48, 308,563.78 and 93,371.54 is: 140,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,683.48 : 308,563.78 = 93,371.54 : x
  2. Step 2: Convert to fraction form
    205,683.48/308,563.78 = 93,371.54/x
  3. Step 3: Cross multiply
    205,683.48x = 308,563.78 × 93,371.54
  4. Step 4: Simplify right side
    205,683.48x = 28,811,075,326.82
  5. Step 5: Solve for x
    x = 28,811,075,326.82/205,683.48
  6. Step 6: Final answer
    x = 140,074.81

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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.