Home / 262,140.93-393,111.23-93,629.61

Finding the Fourth Proportional to 262,140.93, 393,111.23 and 93,629.61

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Solution

The fourth proportional to 262,140.93, 393,111.23 and 93,629.61 is: 140,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,140.93 : 393,111.23 = 93,629.61 : x
  2. Step 2: Convert to fraction form
    262,140.93/393,111.23 = 93,629.61/x
  3. Step 3: Cross multiply
    262,140.93x = 393,111.23 × 93,629.61
  4. Step 4: Simplify right side
    262,140.93x = 36,806,850,683.37
  5. Step 5: Solve for x
    x = 36,806,850,683.37/262,140.93
  6. Step 6: Final answer
    x = 140,408.64

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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.