Home / 151,186.41-208,632.78-82,273.64

Finding the Fourth Proportional to 151,186.41, 208,632.78 and 82,273.64

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Solution

The fourth proportional to 151,186.41, 208,632.78 and 82,273.64 is: 113,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,186.41 : 208,632.78 = 82,273.64 : x
  2. Step 2: Convert to fraction form
    151,186.41/208,632.78 = 82,273.64/x
  3. Step 3: Cross multiply
    151,186.41x = 208,632.78 × 82,273.64
  4. Step 4: Simplify right side
    151,186.41x = 17,164,977,190.76
  5. Step 5: Solve for x
    x = 17,164,977,190.76/151,186.41
  6. Step 6: Final answer
    x = 113,535.19

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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.