Home / 197,045.10-295,640.55-78,801.30

Finding the Fourth Proportional to 197,045.10, 295,640.55 and 78,801.30

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Solution

The fourth proportional to 197,045.10, 295,640.55 and 78,801.30 is: 118,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,045.10 : 295,640.55 = 78,801.30 : x
  2. Step 2: Convert to fraction form
    197,045.10/295,640.55 = 78,801.30/x
  3. Step 3: Cross multiply
    197,045.10x = 295,640.55 × 78,801.30
  4. Step 4: Simplify right side
    197,045.10x = 23,296,859,672.72
  5. Step 5: Solve for x
    x = 23,296,859,672.72/197,045.10
  6. Step 6: Final answer
    x = 118,231.10

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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.