Home / 139,524.04-192,616.74-112,000.60

Finding the Fourth Proportional to 139,524.04, 192,616.74 and 112,000.60

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Solution

The fourth proportional to 139,524.04, 192,616.74 and 112,000.60 is: 154,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524.04 : 192,616.74 = 112,000.60 : x
  2. Step 2: Convert to fraction form
    139,524.04/192,616.74 = 112,000.60/x
  3. Step 3: Cross multiply
    139,524.04x = 192,616.74 × 112,000.60
  4. Step 4: Simplify right side
    139,524.04x = 21,573,190,450.04
  5. Step 5: Solve for x
    x = 21,573,190,450.04/139,524.04
  6. Step 6: Final answer
    x = 154,619.88

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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.