Home / 191,668.11-264,513.55-105,626.86

Finding the Fourth Proportional to 191,668.11, 264,513.55 and 105,626.86

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Solution

The fourth proportional to 191,668.11, 264,513.55 and 105,626.86 is: 145,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,668.11 : 264,513.55 = 105,626.86 : x
  2. Step 2: Convert to fraction form
    191,668.11/264,513.55 = 105,626.86/x
  3. Step 3: Cross multiply
    191,668.11x = 264,513.55 × 105,626.86
  4. Step 4: Simplify right side
    191,668.11x = 27,939,736,705.88
  5. Step 5: Solve for x
    x = 27,939,736,705.88/191,668.11
  6. Step 6: Final answer
    x = 145,771.44

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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.