Home / 286,324.03-429,296.49-136,587.43

Finding the Fourth Proportional to 286,324.03, 429,296.49 and 136,587.43

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Solution

The fourth proportional to 286,324.03, 429,296.49 and 136,587.43 is: 204,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,324.03 : 429,296.49 = 136,587.43 : x
  2. Step 2: Convert to fraction form
    286,324.03/429,296.49 = 136,587.43/x
  3. Step 3: Cross multiply
    286,324.03x = 429,296.49 × 136,587.43
  4. Step 4: Simplify right side
    286,324.03x = 58,636,504,813.74
  5. Step 5: Solve for x
    x = 58,636,504,813.74/286,324.03
  6. Step 6: Final answer
    x = 204,790.72

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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.