Home / 367,711.09-507,295.39-212,633.73

Finding the Fourth Proportional to 367,711.09, 507,295.39 and 212,633.73

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Solution

The fourth proportional to 367,711.09, 507,295.39 and 212,633.73 is: 293,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,711.09 : 507,295.39 = 212,633.73 : x
  2. Step 2: Convert to fraction form
    367,711.09/507,295.39 = 212,633.73/x
  3. Step 3: Cross multiply
    367,711.09x = 507,295.39 × 212,633.73
  4. Step 4: Simplify right side
    367,711.09x = 107,868,108,894.13
  5. Step 5: Solve for x
    x = 107,868,108,894.13/367,711.09
  6. Step 6: Final answer
    x = 293,350.16

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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.