Home / 144,191.17-198,989.53-82,937.28

Finding the Fourth Proportional to 144,191.17, 198,989.53 and 82,937.28

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Solution

The fourth proportional to 144,191.17, 198,989.53 and 82,937.28 is: 114,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,191.17 : 198,989.53 = 82,937.28 : x
  2. Step 2: Convert to fraction form
    144,191.17/198,989.53 = 82,937.28/x
  3. Step 3: Cross multiply
    144,191.17x = 198,989.53 × 82,937.28
  4. Step 4: Simplify right side
    144,191.17x = 16,503,650,905.55
  5. Step 5: Solve for x
    x = 16,503,650,905.55/144,191.17
  6. Step 6: Final answer
    x = 114,456.74

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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.