Home / 191,733.05-264,579.50-105,687.29

Finding the Fourth Proportional to 191,733.05, 264,579.50 and 105,687.29

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Solution

The fourth proportional to 191,733.05, 264,579.50 and 105,687.29 is: 145,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,733.05 : 264,579.50 = 105,687.29 : x
  2. Step 2: Convert to fraction form
    191,733.05/264,579.50 = 105,687.29/x
  3. Step 3: Cross multiply
    191,733.05x = 264,579.50 × 105,687.29
  4. Step 4: Simplify right side
    191,733.05x = 27,962,691,270.22
  5. Step 5: Solve for x
    x = 27,962,691,270.22/191,733.05
  6. Step 6: Final answer
    x = 145,841.79

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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.