Home / 140,512.37-210,745.49-60,528.65

Finding the Fourth Proportional to 140,512.37, 210,745.49 and 60,528.65

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Solution

The fourth proportional to 140,512.37, 210,745.49 and 60,528.65 is: 90,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,512.37 : 210,745.49 = 60,528.65 : x
  2. Step 2: Convert to fraction form
    140,512.37/210,745.49 = 60,528.65/x
  3. Step 3: Cross multiply
    140,512.37x = 210,745.49 × 60,528.65
  4. Step 4: Simplify right side
    140,512.37x = 12,756,140,003.29
  5. Step 5: Solve for x
    x = 12,756,140,003.29/140,512.37
  6. Step 6: Final answer
    x = 90,783.04

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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.