Home / 193,576.32-267,019.49-121,831.79

Finding the Fourth Proportional to 193,576.32, 267,019.49 and 121,831.79

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Solution

The fourth proportional to 193,576.32, 267,019.49 and 121,831.79 is: 168,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,576.32 : 267,019.49 = 121,831.79 : x
  2. Step 2: Convert to fraction form
    193,576.32/267,019.49 = 121,831.79/x
  3. Step 3: Cross multiply
    193,576.32x = 267,019.49 × 121,831.79
  4. Step 4: Simplify right side
    193,576.32x = 32,531,460,487.33
  5. Step 5: Solve for x
    x = 32,531,460,487.33/193,576.32
  6. Step 6: Final answer
    x = 168,054.96

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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.