Home / 191,733.10-264,579.77-105,687.63

Finding the Fourth Proportional to 191,733.10, 264,579.77 and 105,687.63

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Solution

The fourth proportional to 191,733.10, 264,579.77 and 105,687.63 is: 145,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,733.10 : 264,579.77 = 105,687.63 : x
  2. Step 2: Convert to fraction form
    191,733.10/264,579.77 = 105,687.63/x
  3. Step 3: Cross multiply
    191,733.10x = 264,579.77 × 105,687.63
  4. Step 4: Simplify right side
    191,733.10x = 27,962,809,101.46
  5. Step 5: Solve for x
    x = 27,962,809,101.46/191,733.10
  6. Step 6: Final answer
    x = 145,842.37

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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.