Home / 150,945.40-208,309.64-82,964.80

Finding the Fourth Proportional to 150,945.40, 208,309.64 and 82,964.80

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Solution

The fourth proportional to 150,945.40, 208,309.64 and 82,964.80 is: 114,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,945.40 : 208,309.64 = 82,964.80 : x
  2. Step 2: Convert to fraction form
    150,945.40/208,309.64 = 82,964.80/x
  3. Step 3: Cross multiply
    150,945.40x = 208,309.64 × 82,964.80
  4. Step 4: Simplify right side
    150,945.40x = 17,282,367,620.67
  5. Step 5: Solve for x
    x = 17,282,367,620.67/150,945.40
  6. Step 6: Final answer
    x = 114,494.17

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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.