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Finding the Fourth Proportional to 191,999.97, 264,658.26 and 131,465.94

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Solution

The fourth proportional to 191,999.97, 264,658.26 and 131,465.94 is: 181,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,999.97 : 264,658.26 = 131,465.94 : x
  2. Step 2: Convert to fraction form
    191,999.97/264,658.26 = 131,465.94/x
  3. Step 3: Cross multiply
    191,999.97x = 264,658.26 × 131,465.94
  4. Step 4: Simplify right side
    191,999.97x = 34,793,546,929.66
  5. Step 5: Solve for x
    x = 34,793,546,929.66/191,999.97
  6. Step 6: Final answer
    x = 181,216.42

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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.