Home / 198,701.98-274,210.58-108,058.82

Finding the Fourth Proportional to 198,701.98, 274,210.58 and 108,058.82

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Solution

The fourth proportional to 198,701.98, 274,210.58 and 108,058.82 is: 149,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,701.98 : 274,210.58 = 108,058.82 : x
  2. Step 2: Convert to fraction form
    198,701.98/274,210.58 = 108,058.82/x
  3. Step 3: Cross multiply
    198,701.98x = 274,210.58 × 108,058.82
  4. Step 4: Simplify right side
    198,701.98x = 29,630,871,706.32
  5. Step 5: Solve for x
    x = 29,630,871,706.32/198,701.98
  6. Step 6: Final answer
    x = 149,122.18

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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.