Home / 185,958.36-256,621.50-105,401.12

Finding the Fourth Proportional to 185,958.36, 256,621.50 and 105,401.12

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Solution

The fourth proportional to 185,958.36, 256,621.50 and 105,401.12 is: 145,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,958.36 : 256,621.50 = 105,401.12 : x
  2. Step 2: Convert to fraction form
    185,958.36/256,621.50 = 105,401.12/x
  3. Step 3: Cross multiply
    185,958.36x = 256,621.50 × 105,401.12
  4. Step 4: Simplify right side
    185,958.36x = 27,048,192,232.97
  5. Step 5: Solve for x
    x = 27,048,192,232.97/185,958.36
  6. Step 6: Final answer
    x = 145,452.95

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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.