Home / 191,976.75-264,895.11-111,385.80

Finding the Fourth Proportional to 191,976.75, 264,895.11 and 111,385.80

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Solution

The fourth proportional to 191,976.75, 264,895.11 and 111,385.80 is: 153,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,976.75 : 264,895.11 = 111,385.80 : x
  2. Step 2: Convert to fraction form
    191,976.75/264,895.11 = 111,385.80/x
  3. Step 3: Cross multiply
    191,976.75x = 264,895.11 × 111,385.80
  4. Step 4: Simplify right side
    191,976.75x = 29,505,553,743.44
  5. Step 5: Solve for x
    x = 29,505,553,743.44/191,976.75
  6. Step 6: Final answer
    x = 153,693.37

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1.5x scale

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.