Home / 194,940.25-269,018.36-105,516.25

Finding the Fourth Proportional to 194,940.25, 269,018.36 and 105,516.25

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Solution

The fourth proportional to 194,940.25, 269,018.36 and 105,516.25 is: 145,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940.25 : 269,018.36 = 105,516.25 : x
  2. Step 2: Convert to fraction form
    194,940.25/269,018.36 = 105,516.25/x
  3. Step 3: Cross multiply
    194,940.25x = 269,018.36 × 105,516.25
  4. Step 4: Simplify right side
    194,940.25x = 28,385,808,528.35
  5. Step 5: Solve for x
    x = 28,385,808,528.35/194,940.25
  6. Step 6: Final answer
    x = 145,612.87

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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.