Home / 339,869.89-469,032.49-186,919.91

Finding the Fourth Proportional to 339,869.89, 469,032.49 and 186,919.91

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Solution

The fourth proportional to 339,869.89, 469,032.49 and 186,919.91 is: 257,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,869.89 : 469,032.49 = 186,919.91 : x
  2. Step 2: Convert to fraction form
    339,869.89/469,032.49 = 186,919.91/x
  3. Step 3: Cross multiply
    339,869.89x = 469,032.49 × 186,919.91
  4. Step 4: Simplify right side
    339,869.89x = 87,671,510,817.88
  5. Step 5: Solve for x
    x = 87,671,510,817.88/339,869.89
  6. Step 6: Final answer
    x = 257,956.10

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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.