Home / 194,455.75-268,349.12-105,031.75

Finding the Fourth Proportional to 194,455.75, 268,349.12 and 105,031.75

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Solution

The fourth proportional to 194,455.75, 268,349.12 and 105,031.75 is: 144,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,455.75 : 268,349.12 = 105,031.75 : x
  2. Step 2: Convert to fraction form
    194,455.75/268,349.12 = 105,031.75/x
  3. Step 3: Cross multiply
    194,455.75x = 268,349.12 × 105,031.75
  4. Step 4: Simplify right side
    194,455.75x = 28,185,177,684.56
  5. Step 5: Solve for x
    x = 28,185,177,684.56/194,455.75
  6. Step 6: Final answer
    x = 144,943.91

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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.