Home / 217,826.03-300,564.64-136,144.66

Finding the Fourth Proportional to 217,826.03, 300,564.64 and 136,144.66

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Solution

The fourth proportional to 217,826.03, 300,564.64 and 136,144.66 is: 187,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,826.03 : 300,564.64 = 136,144.66 : x
  2. Step 2: Convert to fraction form
    217,826.03/300,564.64 = 136,144.66/x
  3. Step 3: Cross multiply
    217,826.03x = 300,564.64 × 136,144.66
  4. Step 4: Simplify right side
    217,826.03x = 40,920,270,720.82
  5. Step 5: Solve for x
    x = 40,920,270,720.82/217,826.03
  6. Step 6: Final answer
    x = 187,857.58

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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.