Home / 192,121.58-265,108.68-106,074.98

Finding the Fourth Proportional to 192,121.58, 265,108.68 and 106,074.98

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Solution

The fourth proportional to 192,121.58, 265,108.68 and 106,074.98 is: 146,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,121.58 : 265,108.68 = 106,074.98 : x
  2. Step 2: Convert to fraction form
    192,121.58/265,108.68 = 106,074.98/x
  3. Step 3: Cross multiply
    192,121.58x = 265,108.68 × 106,074.98
  4. Step 4: Simplify right side
    192,121.58x = 28,121,397,928.83
  5. Step 5: Solve for x
    x = 28,121,397,928.83/192,121.58
  6. Step 6: Final answer
    x = 146,372.93

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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.