Home / 191,167.02-263,817.12-105,129.54

Finding the Fourth Proportional to 191,167.02, 263,817.12 and 105,129.54

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Solution

The fourth proportional to 191,167.02, 263,817.12 and 105,129.54 is: 145,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,167.02 : 263,817.12 = 105,129.54 : x
  2. Step 2: Convert to fraction form
    191,167.02/263,817.12 = 105,129.54/x
  3. Step 3: Cross multiply
    191,167.02x = 263,817.12 × 105,129.54
  4. Step 4: Simplify right side
    191,167.02x = 27,734,972,469.72
  5. Step 5: Solve for x
    x = 27,734,972,469.72/191,167.02
  6. Step 6: Final answer
    x = 145,082.41

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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.