Home / 196,223.72-270,751.82-115,676.51

Finding the Fourth Proportional to 196,223.72, 270,751.82 and 115,676.51

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Solution

The fourth proportional to 196,223.72, 270,751.82 and 115,676.51 is: 159,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,223.72 : 270,751.82 = 115,676.51 : x
  2. Step 2: Convert to fraction form
    196,223.72/270,751.82 = 115,676.51/x
  3. Step 3: Cross multiply
    196,223.72x = 270,751.82 × 115,676.51
  4. Step 4: Simplify right side
    196,223.72x = 31,319,623,681.61
  5. Step 5: Solve for x
    x = 31,319,623,681.61/196,223.72
  6. Step 6: Final answer
    x = 159,611.82

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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.