Home / 131,101.44-196,630.98-42,355.38

Finding the Fourth Proportional to 131,101.44, 196,630.98 and 42,355.38

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Solution

The fourth proportional to 131,101.44, 196,630.98 and 42,355.38 is: 63,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,101.44 : 196,630.98 = 42,355.38 : x
  2. Step 2: Convert to fraction form
    131,101.44/196,630.98 = 42,355.38/x
  3. Step 3: Cross multiply
    131,101.44x = 196,630.98 × 42,355.38
  4. Step 4: Simplify right side
    131,101.44x = 8,328,379,877.67
  5. Step 5: Solve for x
    x = 8,328,379,877.67/131,101.44
  6. Step 6: Final answer
    x = 63,526.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.