Home / 167,913.78-251,666.55-79,063.26

Finding the Fourth Proportional to 167,913.78, 251,666.55 and 79,063.26

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Solution

The fourth proportional to 167,913.78, 251,666.55 and 79,063.26 is: 118,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,913.78 : 251,666.55 = 79,063.26 : x
  2. Step 2: Convert to fraction form
    167,913.78/251,666.55 = 79,063.26/x
  3. Step 3: Cross multiply
    167,913.78x = 251,666.55 × 79,063.26
  4. Step 4: Simplify right side
    167,913.78x = 19,897,577,875.95
  5. Step 5: Solve for x
    x = 19,897,577,875.95/167,913.78
  6. Step 6: Final answer
    x = 118,498.78

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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.