Home / 191,453.05-264,200.83-119,872.54

Finding the Fourth Proportional to 191,453.05, 264,200.83 and 119,872.54

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Solution

The fourth proportional to 191,453.05, 264,200.83 and 119,872.54 is: 165,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,453.05 : 264,200.83 = 119,872.54 : x
  2. Step 2: Convert to fraction form
    191,453.05/264,200.83 = 119,872.54/x
  3. Step 3: Cross multiply
    191,453.05x = 264,200.83 × 119,872.54
  4. Step 4: Simplify right side
    191,453.05x = 31,670,424,562.21
  5. Step 5: Solve for x
    x = 31,670,424,562.21/191,453.05
  6. Step 6: Final answer
    x = 165,421.36

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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.