Home / 150,928.20-208,270.85-82,943.70

Finding the Fourth Proportional to 150,928.20, 208,270.85 and 82,943.70

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Solution

The fourth proportional to 150,928.20, 208,270.85 and 82,943.70 is: 114,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,928.20 : 208,270.85 = 82,943.70 : x
  2. Step 2: Convert to fraction form
    150,928.20/208,270.85 = 82,943.70/x
  3. Step 3: Cross multiply
    150,928.20x = 208,270.85 × 82,943.70
  4. Step 4: Simplify right side
    150,928.20x = 17,274,754,486.43
  5. Step 5: Solve for x
    x = 17,274,754,486.43/150,928.20
  6. Step 6: Final answer
    x = 114,456.77

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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.