Home / 187,080.56-258,166.96-102,197.96

Finding the Fourth Proportional to 187,080.56, 258,166.96 and 102,197.96

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Solution

The fourth proportional to 187,080.56, 258,166.96 and 102,197.96 is: 141,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,080.56 : 258,166.96 = 102,197.96 : x
  2. Step 2: Convert to fraction form
    187,080.56/258,166.96 = 102,197.96/x
  3. Step 3: Cross multiply
    187,080.56x = 258,166.96 × 102,197.96
  4. Step 4: Simplify right side
    187,080.56x = 26,384,136,651.40
  5. Step 5: Solve for x
    x = 26,384,136,651.40/187,080.56
  6. Step 6: Final answer
    x = 141,030.88

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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.