Home / 178,889.94-268,344.06-45,771.36

Finding the Fourth Proportional to 178,889.94, 268,344.06 and 45,771.36

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Solution

The fourth proportional to 178,889.94, 268,344.06 and 45,771.36 is: 68,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,889.94 : 268,344.06 = 45,771.36 : x
  2. Step 2: Convert to fraction form
    178,889.94/268,344.06 = 45,771.36/x
  3. Step 3: Cross multiply
    178,889.94x = 268,344.06 × 45,771.36
  4. Step 4: Simplify right side
    178,889.94x = 12,282,472,574.12
  5. Step 5: Solve for x
    x = 12,282,472,574.12/178,889.94
  6. Step 6: Final answer
    x = 68,659.38

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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.