Home / 191,965.14-264,932.46-107,111.70

Finding the Fourth Proportional to 191,965.14, 264,932.46 and 107,111.70

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Solution

The fourth proportional to 191,965.14, 264,932.46 and 107,111.70 is: 147,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,965.14 : 264,932.46 = 107,111.70 : x
  2. Step 2: Convert to fraction form
    191,965.14/264,932.46 = 107,111.70/x
  3. Step 3: Cross multiply
    191,965.14x = 264,932.46 × 107,111.70
  4. Step 4: Simplify right side
    191,965.14x = 28,377,366,175.78
  5. Step 5: Solve for x
    x = 28,377,366,175.78/191,965.14
  6. Step 6: Final answer
    x = 147,825.62

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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.