Home / 198,326.16-273,502.52-130,223

Finding the Fourth Proportional to 198,326.16, 273,502.52 and 130,223

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Solution

The fourth proportional to 198,326.16, 273,502.52 and 130,223 is: 179,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,326.16 : 273,502.52 = 130,223 : x
  2. Step 2: Convert to fraction form
    198,326.16/273,502.52 = 130,223/x
  3. Step 3: Cross multiply
    198,326.16x = 273,502.52 × 130,223
  4. Step 4: Simplify right side
    198,326.16x = 35,616,318,661.96
  5. Step 5: Solve for x
    x = 35,616,318,661.96/198,326.16
  6. Step 6: Final answer
    x = 179,584.57

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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.