Home / 199,780.09-275,704.92-114,897.23

Finding the Fourth Proportional to 199,780.09, 275,704.92 and 114,897.23

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Solution

The fourth proportional to 199,780.09, 275,704.92 and 114,897.23 is: 158,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,780.09 : 275,704.92 = 114,897.23 : x
  2. Step 2: Convert to fraction form
    199,780.09/275,704.92 = 114,897.23/x
  3. Step 3: Cross multiply
    199,780.09x = 275,704.92 × 114,897.23
  4. Step 4: Simplify right side
    199,780.09x = 31,677,731,605.37
  5. Step 5: Solve for x
    x = 31,677,731,605.37/199,780.09
  6. Step 6: Final answer
    x = 158,563.01

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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.