Home / 367,712.09-507,296.77-212,634.73

Finding the Fourth Proportional to 367,712.09, 507,296.77 and 212,634.73

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Solution

The fourth proportional to 367,712.09, 507,296.77 and 212,634.73 is: 293,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,712.09 : 507,296.77 = 212,634.73 : x
  2. Step 2: Convert to fraction form
    367,712.09/507,296.77 = 212,634.73/x
  3. Step 3: Cross multiply
    367,712.09x = 507,296.77 × 212,634.73
  4. Step 4: Simplify right side
    367,712.09x = 107,868,911,718.82
  5. Step 5: Solve for x
    x = 107,868,911,718.82/367,712.09
  6. Step 6: Final answer
    x = 293,351.55

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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.