Home / 191,273.75-263,947.19-106,385.34

Finding the Fourth Proportional to 191,273.75, 263,947.19 and 106,385.34

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Solution

The fourth proportional to 191,273.75, 263,947.19 and 106,385.34 is: 146,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,273.75 : 263,947.19 = 106,385.34 : x
  2. Step 2: Convert to fraction form
    191,273.75/263,947.19 = 106,385.34/x
  3. Step 3: Cross multiply
    191,273.75x = 263,947.19 × 106,385.34
  4. Step 4: Simplify right side
    191,273.75x = 28,080,111,550.19
  5. Step 5: Solve for x
    x = 28,080,111,550.19/191,273.75
  6. Step 6: Final answer
    x = 146,805.89

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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.