Home / 198,748.18-273,857.25-134,975.26

Finding the Fourth Proportional to 198,748.18, 273,857.25 and 134,975.26

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Solution

The fourth proportional to 198,748.18, 273,857.25 and 134,975.26 is: 185,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,748.18 : 273,857.25 = 134,975.26 : x
  2. Step 2: Convert to fraction form
    198,748.18/273,857.25 = 134,975.26/x
  3. Step 3: Cross multiply
    198,748.18x = 273,857.25 × 134,975.26
  4. Step 4: Simplify right side
    198,748.18x = 36,963,953,521.64
  5. Step 5: Solve for x
    x = 36,963,953,521.64/198,748.18
  6. Step 6: Final answer
    x = 185,983.86

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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.