Home / 196,817.10-295,298.55-78,573.30

Finding the Fourth Proportional to 196,817.10, 295,298.55 and 78,573.30

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Solution

The fourth proportional to 196,817.10, 295,298.55 and 78,573.30 is: 117,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,817.10 : 295,298.55 = 78,573.30 : x
  2. Step 2: Convert to fraction form
    196,817.10/295,298.55 = 78,573.30/x
  3. Step 3: Cross multiply
    196,817.10x = 295,298.55 × 78,573.30
  4. Step 4: Simplify right side
    196,817.10x = 23,202,581,558.72
  5. Step 5: Solve for x
    x = 23,202,581,558.72/196,817.10
  6. Step 6: Final answer
    x = 117,889.05

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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.