Home / 191,629.72-264,448.96-105,589.90

Finding the Fourth Proportional to 191,629.72, 264,448.96 and 105,589.90

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Solution

The fourth proportional to 191,629.72, 264,448.96 and 105,589.90 is: 145,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,629.72 : 264,448.96 = 105,589.90 : x
  2. Step 2: Convert to fraction form
    191,629.72/264,448.96 = 105,589.90/x
  3. Step 3: Cross multiply
    191,629.72x = 264,448.96 × 105,589.90
  4. Step 4: Simplify right side
    191,629.72x = 27,923,139,241.50
  5. Step 5: Solve for x
    x = 27,923,139,241.50/191,629.72
  6. Step 6: Final answer
    x = 145,714.03

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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.