Home / 150,999.16-208,380.24-83,016.61

Finding the Fourth Proportional to 150,999.16, 208,380.24 and 83,016.61

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Solution

The fourth proportional to 150,999.16, 208,380.24 and 83,016.61 is: 114,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,999.16 : 208,380.24 = 83,016.61 : x
  2. Step 2: Convert to fraction form
    150,999.16/208,380.24 = 83,016.61/x
  3. Step 3: Cross multiply
    150,999.16x = 208,380.24 × 83,016.61
  4. Step 4: Simplify right side
    150,999.16x = 17,299,020,700.70
  5. Step 5: Solve for x
    x = 17,299,020,700.70/150,999.16
  6. Step 6: Final answer
    x = 114,563.69

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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.