Home / 191,972.48-264,938.76-105,939.54

Finding the Fourth Proportional to 191,972.48, 264,938.76 and 105,939.54

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Solution

The fourth proportional to 191,972.48, 264,938.76 and 105,939.54 is: 146,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,972.48 : 264,938.76 = 105,939.54 : x
  2. Step 2: Convert to fraction form
    191,972.48/264,938.76 = 105,939.54/x
  3. Step 3: Cross multiply
    191,972.48x = 264,938.76 × 105,939.54
  4. Step 4: Simplify right side
    191,972.48x = 28,067,490,362.57
  5. Step 5: Solve for x
    x = 28,067,490,362.57/191,972.48
  6. Step 6: Final answer
    x = 146,205.81

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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.