Home / 191,263.41-263,939.82-105,217.36

Finding the Fourth Proportional to 191,263.41, 263,939.82 and 105,217.36

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Solution

The fourth proportional to 191,263.41, 263,939.82 and 105,217.36 is: 145,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,263.41 : 263,939.82 = 105,217.36 : x
  2. Step 2: Convert to fraction form
    191,263.41/263,939.82 = 105,217.36/x
  3. Step 3: Cross multiply
    191,263.41x = 263,939.82 × 105,217.36
  4. Step 4: Simplify right side
    191,263.41x = 27,771,051,059.28
  5. Step 5: Solve for x
    x = 27,771,051,059.28/191,263.41
  6. Step 6: Final answer
    x = 145,197.93

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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.