Home / 146,623.32-202,431.80-100,761.96

Finding the Fourth Proportional to 146,623.32, 202,431.80 and 100,761.96

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Solution

The fourth proportional to 146,623.32, 202,431.80 and 100,761.96 is: 139,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,623.32 : 202,431.80 = 100,761.96 : x
  2. Step 2: Convert to fraction form
    146,623.32/202,431.80 = 100,761.96/x
  3. Step 3: Cross multiply
    146,623.32x = 202,431.80 × 100,761.96
  4. Step 4: Simplify right side
    146,623.32x = 20,397,424,934.33
  5. Step 5: Solve for x
    x = 20,397,424,934.33/146,623.32
  6. Step 6: Final answer
    x = 139,114.47

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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.