Home / 198,671.18-274,162.34-108,026.35

Finding the Fourth Proportional to 198,671.18, 274,162.34 and 108,026.35

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Solution

The fourth proportional to 198,671.18, 274,162.34 and 108,026.35 is: 149,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,671.18 : 274,162.34 = 108,026.35 : x
  2. Step 2: Convert to fraction form
    198,671.18/274,162.34 = 108,026.35/x
  3. Step 3: Cross multiply
    198,671.18x = 274,162.34 × 108,026.35
  4. Step 4: Simplify right side
    198,671.18x = 29,616,756,482.32
  5. Step 5: Solve for x
    x = 29,616,756,482.32/198,671.18
  6. Step 6: Final answer
    x = 149,074.25

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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.