Home / 151,222.09-208,687.23-83,245.87

Finding the Fourth Proportional to 151,222.09, 208,687.23 and 83,245.87

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Solution

The fourth proportional to 151,222.09, 208,687.23 and 83,245.87 is: 114,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,222.09 : 208,687.23 = 83,245.87 : x
  2. Step 2: Convert to fraction form
    151,222.09/208,687.23 = 83,245.87/x
  3. Step 3: Cross multiply
    151,222.09x = 208,687.23 × 83,245.87
  4. Step 4: Simplify right side
    151,222.09x = 17,372,350,019.24
  5. Step 5: Solve for x
    x = 17,372,350,019.24/151,222.09
  6. Step 6: Final answer
    x = 114,879.71

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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.