Home / 191,213.23-263,929.88-127,550.87

Finding the Fourth Proportional to 191,213.23, 263,929.88 and 127,550.87

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Solution

The fourth proportional to 191,213.23, 263,929.88 and 127,550.87 is: 176,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,213.23 : 263,929.88 = 127,550.87 : x
  2. Step 2: Convert to fraction form
    191,213.23/263,929.88 = 127,550.87/x
  3. Step 3: Cross multiply
    191,213.23x = 263,929.88 × 127,550.87
  4. Step 4: Simplify right side
    191,213.23x = 33,664,485,813.00
  5. Step 5: Solve for x
    x = 33,664,485,813.00/191,213.23
  6. Step 6: Final answer
    x = 176,057.30

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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.