Home / 192,139.76-265,175.35-159,817.37

Finding the Fourth Proportional to 192,139.76, 265,175.35 and 159,817.37

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Solution

The fourth proportional to 192,139.76, 265,175.35 and 159,817.37 is: 220,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,139.76 : 265,175.35 = 159,817.37 : x
  2. Step 2: Convert to fraction form
    192,139.76/265,175.35 = 159,817.37/x
  3. Step 3: Cross multiply
    192,139.76x = 265,175.35 × 159,817.37
  4. Step 4: Simplify right side
    192,139.76x = 42,379,625,300.41
  5. Step 5: Solve for x
    x = 42,379,625,300.41/192,139.76
  6. Step 6: Final answer
    x = 220,566.66

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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.