Home / 150,979.70-208,347.45-82,996.58

Finding the Fourth Proportional to 150,979.70, 208,347.45 and 82,996.58

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Solution

The fourth proportional to 150,979.70, 208,347.45 and 82,996.58 is: 114,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.70 : 208,347.45 = 82,996.58 : x
  2. Step 2: Convert to fraction form
    150,979.70/208,347.45 = 82,996.58/x
  3. Step 3: Cross multiply
    150,979.70x = 208,347.45 × 82,996.58
  4. Step 4: Simplify right side
    150,979.70x = 17,292,125,801.72
  5. Step 5: Solve for x
    x = 17,292,125,801.72/150,979.70
  6. Step 6: Final answer
    x = 114,532.79

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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.