Home / 191,194.56-263,837.66-106,309.80

Finding the Fourth Proportional to 191,194.56, 263,837.66 and 106,309.80

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Solution

The fourth proportional to 191,194.56, 263,837.66 and 106,309.80 is: 146,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,194.56 : 263,837.66 = 106,309.80 : x
  2. Step 2: Convert to fraction form
    191,194.56/263,837.66 = 106,309.80/x
  3. Step 3: Cross multiply
    191,194.56x = 263,837.66 × 106,309.80
  4. Step 4: Simplify right side
    191,194.56x = 28,048,528,335.52
  5. Step 5: Solve for x
    x = 28,048,528,335.52/191,194.56
  6. Step 6: Final answer
    x = 146,701.50

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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.