Home / 190,663.92-263,123.24-115,197.84

Finding the Fourth Proportional to 190,663.92, 263,123.24 and 115,197.84

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Solution

The fourth proportional to 190,663.92, 263,123.24 and 115,197.84 is: 158,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,663.92 : 263,123.24 = 115,197.84 : x
  2. Step 2: Convert to fraction form
    190,663.92/263,123.24 = 115,197.84/x
  3. Step 3: Cross multiply
    190,663.92x = 263,123.24 × 115,197.84
  4. Step 4: Simplify right side
    190,663.92x = 30,311,228,901.80
  5. Step 5: Solve for x
    x = 30,311,228,901.80/190,663.92
  6. Step 6: Final answer
    x = 158,977.27

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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.