Home / 136,080.17-187,797.05-75,651.82

Finding the Fourth Proportional to 136,080.17, 187,797.05 and 75,651.82

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Solution

The fourth proportional to 136,080.17, 187,797.05 and 75,651.82 is: 104,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,080.17 : 187,797.05 = 75,651.82 : x
  2. Step 2: Convert to fraction form
    136,080.17/187,797.05 = 75,651.82/x
  3. Step 3: Cross multiply
    136,080.17x = 187,797.05 × 75,651.82
  4. Step 4: Simplify right side
    136,080.17x = 14,207,188,623.13
  5. Step 5: Solve for x
    x = 14,207,188,623.13/136,080.17
  6. Step 6: Final answer
    x = 104,403.08

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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.