Home / 196,804.20-295,352.10-78,560.40

Finding the Fourth Proportional to 196,804.20, 295,352.10 and 78,560.40

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Solution

The fourth proportional to 196,804.20, 295,352.10 and 78,560.40 is: 117,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,804.20 : 295,352.10 = 78,560.40 : x
  2. Step 2: Convert to fraction form
    196,804.20/295,352.10 = 78,560.40/x
  3. Step 3: Cross multiply
    196,804.20x = 295,352.10 × 78,560.40
  4. Step 4: Simplify right side
    196,804.20x = 23,202,979,116.84
  5. Step 5: Solve for x
    x = 23,202,979,116.84/196,804.20
  6. Step 6: Final answer
    x = 117,898.80

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1.5x scale

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.