Home / 150,453.42-207,622.76-82,470.54

Finding the Fourth Proportional to 150,453.42, 207,622.76 and 82,470.54

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Solution

The fourth proportional to 150,453.42, 207,622.76 and 82,470.54 is: 113,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,453.42 : 207,622.76 = 82,470.54 : x
  2. Step 2: Convert to fraction form
    150,453.42/207,622.76 = 82,470.54/x
  3. Step 3: Cross multiply
    150,453.42x = 207,622.76 × 82,470.54
  4. Step 4: Simplify right side
    150,453.42x = 17,122,761,133.49
  5. Step 5: Solve for x
    x = 17,122,761,133.49/150,453.42
  6. Step 6: Final answer
    x = 113,807.72

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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.