Home / 190,672.92-263,126.27-103,456.71

Finding the Fourth Proportional to 190,672.92, 263,126.27 and 103,456.71

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Solution

The fourth proportional to 190,672.92, 263,126.27 and 103,456.71 is: 142,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,672.92 : 263,126.27 = 103,456.71 : x
  2. Step 2: Convert to fraction form
    190,672.92/263,126.27 = 103,456.71/x
  3. Step 3: Cross multiply
    190,672.92x = 263,126.27 × 103,456.71
  4. Step 4: Simplify right side
    190,672.92x = 27,222,178,467.41
  5. Step 5: Solve for x
    x = 27,222,178,467.41/190,672.92
  6. Step 6: Final answer
    x = 142,768.98

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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.