Home / 139,623.21-192,677.13-75,961.26

Finding the Fourth Proportional to 139,623.21, 192,677.13 and 75,961.26

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Solution

The fourth proportional to 139,623.21, 192,677.13 and 75,961.26 is: 104,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,623.21 : 192,677.13 = 75,961.26 : x
  2. Step 2: Convert to fraction form
    139,623.21/192,677.13 = 75,961.26/x
  3. Step 3: Cross multiply
    139,623.21x = 192,677.13 × 75,961.26
  4. Step 4: Simplify right side
    139,623.21x = 14,635,997,567.98
  5. Step 5: Solve for x
    x = 14,635,997,567.98/139,623.21
  6. Step 6: Final answer
    x = 104,824.96

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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.