Home / 198,590.85-274,058.12-107,946.75

Finding the Fourth Proportional to 198,590.85, 274,058.12 and 107,946.75

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Solution

The fourth proportional to 198,590.85, 274,058.12 and 107,946.75 is: 148,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,590.85 : 274,058.12 = 107,946.75 : x
  2. Step 2: Convert to fraction form
    198,590.85/274,058.12 = 107,946.75/x
  3. Step 3: Cross multiply
    198,590.85x = 274,058.12 × 107,946.75
  4. Step 4: Simplify right side
    198,590.85x = 29,583,683,365.11
  5. Step 5: Solve for x
    x = 29,583,683,365.11/198,590.85
  6. Step 6: Final answer
    x = 148,968.01

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1.5x scale

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.