Home / 191,194.08-263,849.20-119,614.80

Finding the Fourth Proportional to 191,194.08, 263,849.20 and 119,614.80

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Solution

The fourth proportional to 191,194.08, 263,849.20 and 119,614.80 is: 165,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,194.08 : 263,849.20 = 119,614.80 : x
  2. Step 2: Convert to fraction form
    191,194.08/263,849.20 = 119,614.80/x
  3. Step 3: Cross multiply
    191,194.08x = 263,849.20 × 119,614.80
  4. Step 4: Simplify right side
    191,194.08x = 31,560,269,288.16
  5. Step 5: Solve for x
    x = 31,560,269,288.16/191,194.08
  6. Step 6: Final answer
    x = 165,069.28

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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.