Home / 193,256.96-289,739.28-126,713.84

Finding the Fourth Proportional to 193,256.96, 289,739.28 and 126,713.84

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Solution

The fourth proportional to 193,256.96, 289,739.28 and 126,713.84 is: 189,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,256.96 : 289,739.28 = 126,713.84 : x
  2. Step 2: Convert to fraction form
    193,256.96/289,739.28 = 126,713.84/x
  3. Step 3: Cross multiply
    193,256.96x = 289,739.28 × 126,713.84
  4. Step 4: Simplify right side
    193,256.96x = 36,713,976,767.64
  5. Step 5: Solve for x
    x = 36,713,976,767.64/193,256.96
  6. Step 6: Final answer
    x = 189,974.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.