Home / 139,847.10-192,922.86-94,540.98

Finding the Fourth Proportional to 139,847.10, 192,922.86 and 94,540.98

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Solution

The fourth proportional to 139,847.10, 192,922.86 and 94,540.98 is: 130,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,847.10 : 192,922.86 = 94,540.98 : x
  2. Step 2: Convert to fraction form
    139,847.10/192,922.86 = 94,540.98/x
  3. Step 3: Cross multiply
    139,847.10x = 192,922.86 × 94,540.98
  4. Step 4: Simplify right side
    139,847.10x = 18,239,116,248.80
  5. Step 5: Solve for x
    x = 18,239,116,248.80/139,847.10
  6. Step 6: Final answer
    x = 130,421.84

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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.