Home / 193,194.56-266,517.78-136,637.12

Finding the Fourth Proportional to 193,194.56, 266,517.78 and 136,637.12

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Solution

The fourth proportional to 193,194.56, 266,517.78 and 136,637.12 is: 188,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,194.56 : 266,517.78 = 136,637.12 : x
  2. Step 2: Convert to fraction form
    193,194.56/266,517.78 = 136,637.12/x
  3. Step 3: Cross multiply
    193,194.56x = 266,517.78 × 136,637.12
  4. Step 4: Simplify right side
    193,194.56x = 36,416,222,041.90
  5. Step 5: Solve for x
    x = 36,416,222,041.90/193,194.56
  6. Step 6: Final answer
    x = 188,495.07

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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.