Home / 191,823.93-264,710.94-105,786.54

Finding the Fourth Proportional to 191,823.93, 264,710.94 and 105,786.54

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Solution

The fourth proportional to 191,823.93, 264,710.94 and 105,786.54 is: 145,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,823.93 : 264,710.94 = 105,786.54 : x
  2. Step 2: Convert to fraction form
    191,823.93/264,710.94 = 105,786.54/x
  3. Step 3: Cross multiply
    191,823.93x = 264,710.94 × 105,786.54
  4. Step 4: Simplify right side
    191,823.93x = 28,002,854,442.75
  5. Step 5: Solve for x
    x = 28,002,854,442.75/191,823.93
  6. Step 6: Final answer
    x = 145,982.07

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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.