Home / 191,119.88-263,750.50-105,082.46

Finding the Fourth Proportional to 191,119.88, 263,750.50 and 105,082.46

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Solution

The fourth proportional to 191,119.88, 263,750.50 and 105,082.46 is: 145,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,119.88 : 263,750.50 = 105,082.46 : x
  2. Step 2: Convert to fraction form
    191,119.88/263,750.50 = 105,082.46/x
  3. Step 3: Cross multiply
    191,119.88x = 263,750.50 × 105,082.46
  4. Step 4: Simplify right side
    191,119.88x = 27,715,551,167.89
  5. Step 5: Solve for x
    x = 27,715,551,167.89/191,119.88
  6. Step 6: Final answer
    x = 145,016.58

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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.