Home / 168,075.17-231,955.20-102,691.98

Finding the Fourth Proportional to 168,075.17, 231,955.20 and 102,691.98

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Solution

The fourth proportional to 168,075.17, 231,955.20 and 102,691.98 is: 141,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,075.17 : 231,955.20 = 102,691.98 : x
  2. Step 2: Convert to fraction form
    168,075.17/231,955.20 = 102,691.98/x
  3. Step 3: Cross multiply
    168,075.17x = 231,955.20 × 102,691.98
  4. Step 4: Simplify right side
    168,075.17x = 23,819,939,194.21
  5. Step 5: Solve for x
    x = 23,819,939,194.21/168,075.17
  6. Step 6: Final answer
    x = 141,721.94

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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.