Home / 198,820.29-274,369.86-118,246.04

Finding the Fourth Proportional to 198,820.29, 274,369.86 and 118,246.04

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Solution

The fourth proportional to 198,820.29, 274,369.86 and 118,246.04 is: 163,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,820.29 : 274,369.86 = 118,246.04 : x
  2. Step 2: Convert to fraction form
    198,820.29/274,369.86 = 118,246.04/x
  3. Step 3: Cross multiply
    198,820.29x = 274,369.86 × 118,246.04
  4. Step 4: Simplify right side
    198,820.29x = 32,443,149,440.35
  5. Step 5: Solve for x
    x = 32,443,149,440.35/198,820.29
  6. Step 6: Final answer
    x = 163,178.26

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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.