Home / 196,123.20-293,601.60-117,196.80

Finding the Fourth Proportional to 196,123.20, 293,601.60 and 117,196.80

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Solution

The fourth proportional to 196,123.20, 293,601.60 and 117,196.80 is: 175,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,123.20 : 293,601.60 = 117,196.80 : x
  2. Step 2: Convert to fraction form
    196,123.20/293,601.60 = 117,196.80/x
  3. Step 3: Cross multiply
    196,123.20x = 293,601.60 × 117,196.80
  4. Step 4: Simplify right side
    196,123.20x = 34,409,167,994.88
  5. Step 5: Solve for x
    x = 34,409,167,994.88/196,123.20
  6. Step 6: Final answer
    x = 175,446.70

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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.