Home / 339,869.39-469,031.80-186,919.41

Finding the Fourth Proportional to 339,869.39, 469,031.80 and 186,919.41

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Solution

The fourth proportional to 339,869.39, 469,031.80 and 186,919.41 is: 257,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,869.39 : 469,031.80 = 186,919.41 : x
  2. Step 2: Convert to fraction form
    339,869.39/469,031.80 = 186,919.41/x
  3. Step 3: Cross multiply
    339,869.39x = 469,031.80 × 186,919.41
  4. Step 4: Simplify right side
    339,869.39x = 87,671,147,327.24
  5. Step 5: Solve for x
    x = 87,671,147,327.24/339,869.39
  6. Step 6: Final answer
    x = 257,955.41

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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.