Home / 150,997.07-208,370.65-83,013.55

Finding the Fourth Proportional to 150,997.07, 208,370.65 and 83,013.55

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Solution

The fourth proportional to 150,997.07, 208,370.65 and 83,013.55 is: 114,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,997.07 : 208,370.65 = 83,013.55 : x
  2. Step 2: Convert to fraction form
    150,997.07/208,370.65 = 83,013.55/x
  3. Step 3: Cross multiply
    150,997.07x = 208,370.65 × 83,013.55
  4. Step 4: Simplify right side
    150,997.07x = 17,297,587,164.77
  5. Step 5: Solve for x
    x = 17,297,587,164.77/150,997.07
  6. Step 6: Final answer
    x = 114,555.78

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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.