Home / 151,008.78-208,393.46-82,098.38

Finding the Fourth Proportional to 151,008.78, 208,393.46 and 82,098.38

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Solution

The fourth proportional to 151,008.78, 208,393.46 and 82,098.38 is: 113,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.78 : 208,393.46 = 82,098.38 : x
  2. Step 2: Convert to fraction form
    151,008.78/208,393.46 = 82,098.38/x
  3. Step 3: Cross multiply
    151,008.78x = 208,393.46 × 82,098.38
  4. Step 4: Simplify right side
    151,008.78x = 17,108,765,468.59
  5. Step 5: Solve for x
    x = 17,108,765,468.59/151,008.78
  6. Step 6: Final answer
    x = 113,296.49

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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.