Home / 191,141.37-263,775.27-105,101.79

Finding the Fourth Proportional to 191,141.37, 263,775.27 and 105,101.79

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Solution

The fourth proportional to 191,141.37, 263,775.27 and 105,101.79 is: 145,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,141.37 : 263,775.27 = 105,101.79 : x
  2. Step 2: Convert to fraction form
    191,141.37/263,775.27 = 105,101.79/x
  3. Step 3: Cross multiply
    191,141.37x = 263,775.27 × 105,101.79
  4. Step 4: Simplify right side
    191,141.37x = 27,723,253,034.73
  5. Step 5: Solve for x
    x = 27,723,253,034.73/191,141.37
  6. Step 6: Final answer
    x = 145,040.57

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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.