Home / 191,687.20-264,540.36-105,646.15

Finding the Fourth Proportional to 191,687.20, 264,540.36 and 105,646.15

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Solution

The fourth proportional to 191,687.20, 264,540.36 and 105,646.15 is: 145,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,687.20 : 264,540.36 = 105,646.15 : x
  2. Step 2: Convert to fraction form
    191,687.20/264,540.36 = 105,646.15/x
  3. Step 3: Cross multiply
    191,687.20x = 264,540.36 × 105,646.15
  4. Step 4: Simplify right side
    191,687.20x = 27,947,670,553.61
  5. Step 5: Solve for x
    x = 27,947,670,553.61/191,687.20
  6. Step 6: Final answer
    x = 145,798.31

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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.