Home / 191,945.88-264,883.46-105,905.56

Finding the Fourth Proportional to 191,945.88, 264,883.46 and 105,905.56

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Solution

The fourth proportional to 191,945.88, 264,883.46 and 105,905.56 is: 146,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,945.88 : 264,883.46 = 105,905.56 : x
  2. Step 2: Convert to fraction form
    191,945.88/264,883.46 = 105,905.56/x
  3. Step 3: Cross multiply
    191,945.88x = 264,883.46 × 105,905.56
  4. Step 4: Simplify right side
    191,945.88x = 28,052,631,166.04
  5. Step 5: Solve for x
    x = 28,052,631,166.04/191,945.88
  6. Step 6: Final answer
    x = 146,148.65

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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.