Home / 191,245.14-263,916.83-105,202.27

Finding the Fourth Proportional to 191,245.14, 263,916.83 and 105,202.27

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Solution

The fourth proportional to 191,245.14, 263,916.83 and 105,202.27 is: 145,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,245.14 : 263,916.83 = 105,202.27 : x
  2. Step 2: Convert to fraction form
    191,245.14/263,916.83 = 105,202.27/x
  3. Step 3: Cross multiply
    191,245.14x = 263,916.83 × 105,202.27
  4. Step 4: Simplify right side
    191,245.14x = 27,764,649,457.84
  5. Step 5: Solve for x
    x = 27,764,649,457.84/191,245.14
  6. Step 6: Final answer
    x = 145,178.33

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1.5x scale

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.