Home / 252,516.06-378,790.17-102,674.46

Finding the Fourth Proportional to 252,516.06, 378,790.17 and 102,674.46

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Solution

The fourth proportional to 252,516.06, 378,790.17 and 102,674.46 is: 154,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,516.06 : 378,790.17 = 102,674.46 : x
  2. Step 2: Convert to fraction form
    252,516.06/378,790.17 = 102,674.46/x
  3. Step 3: Cross multiply
    252,516.06x = 378,790.17 × 102,674.46
  4. Step 4: Simplify right side
    252,516.06x = 38,892,076,158.06
  5. Step 5: Solve for x
    x = 38,892,076,158.06/252,516.06
  6. Step 6: Final answer
    x = 154,018.23

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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.