Home / 150,945.64-208,297.38-83,876.20

Finding the Fourth Proportional to 150,945.64, 208,297.38 and 83,876.20

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Solution

The fourth proportional to 150,945.64, 208,297.38 and 83,876.20 is: 115,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,945.64 : 208,297.38 = 83,876.20 : x
  2. Step 2: Convert to fraction form
    150,945.64/208,297.38 = 83,876.20/x
  3. Step 3: Cross multiply
    150,945.64x = 208,297.38 × 83,876.20
  4. Step 4: Simplify right side
    150,945.64x = 17,471,192,704.36
  5. Step 5: Solve for x
    x = 17,471,192,704.36/150,945.64
  6. Step 6: Final answer
    x = 115,744.93

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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.