Home / 191,556.36-264,337.43-105,512.49

Finding the Fourth Proportional to 191,556.36, 264,337.43 and 105,512.49

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Solution

The fourth proportional to 191,556.36, 264,337.43 and 105,512.49 is: 145,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,556.36 : 264,337.43 = 105,512.49 : x
  2. Step 2: Convert to fraction form
    191,556.36/264,337.43 = 105,512.49/x
  3. Step 3: Cross multiply
    191,556.36x = 264,337.43 × 105,512.49
  4. Step 4: Simplify right side
    191,556.36x = 27,890,899,911.94
  5. Step 5: Solve for x
    x = 27,890,899,911.94/191,556.36
  6. Step 6: Final answer
    x = 145,601.53

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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.