Home / 146,623.82-202,432.49-100,762.46

Finding the Fourth Proportional to 146,623.82, 202,432.49 and 100,762.46

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Solution

The fourth proportional to 146,623.82, 202,432.49 and 100,762.46 is: 139,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,623.82 : 202,432.49 = 100,762.46 : x
  2. Step 2: Convert to fraction form
    146,623.82/202,432.49 = 100,762.46/x
  3. Step 3: Cross multiply
    146,623.82x = 202,432.49 × 100,762.46
  4. Step 4: Simplify right side
    146,623.82x = 20,397,595,676.33
  5. Step 5: Solve for x
    x = 20,397,595,676.33/146,623.82
  6. Step 6: Final answer
    x = 139,115.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.