Home / 264,325.05-396,529.02-86,791.68

Finding the Fourth Proportional to 264,325.05, 396,529.02 and 86,791.68

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Solution

The fourth proportional to 264,325.05, 396,529.02 and 86,791.68 is: 130,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,325.05 : 396,529.02 = 86,791.68 : x
  2. Step 2: Convert to fraction form
    264,325.05/396,529.02 = 86,791.68/x
  3. Step 3: Cross multiply
    264,325.05x = 396,529.02 × 86,791.68
  4. Step 4: Simplify right side
    264,325.05x = 34,415,419,814.55
  5. Step 5: Solve for x
    x = 34,415,419,814.55/264,325.05
  6. Step 6: Final answer
    x = 130,201.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.