Home / 196,515.30-270,916.52-166,178.91

Finding the Fourth Proportional to 196,515.30, 270,916.52 and 166,178.91

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Solution

The fourth proportional to 196,515.30, 270,916.52 and 166,178.91 is: 229,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,515.30 : 270,916.52 = 166,178.91 : x
  2. Step 2: Convert to fraction form
    196,515.30/270,916.52 = 166,178.91/x
  3. Step 3: Cross multiply
    196,515.30x = 270,916.52 × 166,178.91
  4. Step 4: Simplify right side
    196,515.30x = 45,020,611,163.70
  5. Step 5: Solve for x
    x = 45,020,611,163.70/196,515.30
  6. Step 6: Final answer
    x = 229,094.69

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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.