Home / 150,882.45-208,221.27-82,903.68

Finding the Fourth Proportional to 150,882.45, 208,221.27 and 82,903.68

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Solution

The fourth proportional to 150,882.45, 208,221.27 and 82,903.68 is: 114,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,882.45 : 208,221.27 = 82,903.68 : x
  2. Step 2: Convert to fraction form
    150,882.45/208,221.27 = 82,903.68/x
  3. Step 3: Cross multiply
    150,882.45x = 208,221.27 × 82,903.68
  4. Step 4: Simplify right side
    150,882.45x = 17,262,309,537.27
  5. Step 5: Solve for x
    x = 17,262,309,537.27/150,882.45
  6. Step 6: Final answer
    x = 114,409.00

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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.