Home / 194,940.36-269,018.10-105,516.36

Finding the Fourth Proportional to 194,940.36, 269,018.10 and 105,516.36

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Solution

The fourth proportional to 194,940.36, 269,018.10 and 105,516.36 is: 145,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940.36 : 269,018.10 = 105,516.36 : x
  2. Step 2: Convert to fraction form
    194,940.36/269,018.10 = 105,516.36/x
  3. Step 3: Cross multiply
    194,940.36x = 269,018.10 × 105,516.36
  4. Step 4: Simplify right side
    194,940.36x = 28,385,810,686.12
  5. Step 5: Solve for x
    x = 28,385,810,686.12/194,940.36
  6. Step 6: Final answer
    x = 145,612.80

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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.