Home / 150,924.12-208,265.21-82,939.63

Finding the Fourth Proportional to 150,924.12, 208,265.21 and 82,939.63

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Solution

The fourth proportional to 150,924.12, 208,265.21 and 82,939.63 is: 114,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,924.12 : 208,265.21 = 82,939.63 : x
  2. Step 2: Convert to fraction form
    150,924.12/208,265.21 = 82,939.63/x
  3. Step 3: Cross multiply
    150,924.12x = 208,265.21 × 82,939.63
  4. Step 4: Simplify right side
    150,924.12x = 17,273,439,459.27
  5. Step 5: Solve for x
    x = 17,273,439,459.27/150,924.12
  6. Step 6: Final answer
    x = 114,451.15

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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.