Home / 198,948.84-274,506.82-118,360.61

Finding the Fourth Proportional to 198,948.84, 274,506.82 and 118,360.61

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Solution

The fourth proportional to 198,948.84, 274,506.82 and 118,360.61 is: 163,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,948.84 : 274,506.82 = 118,360.61 : x
  2. Step 2: Convert to fraction form
    198,948.84/274,506.82 = 118,360.61/x
  3. Step 3: Cross multiply
    198,948.84x = 274,506.82 × 118,360.61
  4. Step 4: Simplify right side
    198,948.84x = 32,490,794,664.36
  5. Step 5: Solve for x
    x = 32,490,794,664.36/198,948.84
  6. Step 6: Final answer
    x = 163,312.31

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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.