Home / 191,785.35-264,665.57-105,747.42

Finding the Fourth Proportional to 191,785.35, 264,665.57 and 105,747.42

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Solution

The fourth proportional to 191,785.35, 264,665.57 and 105,747.42 is: 145,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,785.35 : 264,665.57 = 105,747.42 : x
  2. Step 2: Convert to fraction form
    191,785.35/264,665.57 = 105,747.42/x
  3. Step 3: Cross multiply
    191,785.35x = 264,665.57 × 105,747.42
  4. Step 4: Simplify right side
    191,785.35x = 27,987,699,669.10
  5. Step 5: Solve for x
    x = 27,987,699,669.10/191,785.35
  6. Step 6: Final answer
    x = 145,932.42

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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.