Home / 174,213.09-261,235.02-102,185.61

Finding the Fourth Proportional to 174,213.09, 261,235.02 and 102,185.61

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Solution

The fourth proportional to 174,213.09, 261,235.02 and 102,185.61 is: 153,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,213.09 : 261,235.02 = 102,185.61 : x
  2. Step 2: Convert to fraction form
    174,213.09/261,235.02 = 102,185.61/x
  3. Step 3: Cross multiply
    174,213.09x = 261,235.02 × 102,185.61
  4. Step 4: Simplify right side
    174,213.09x = 26,694,459,872.06
  5. Step 5: Solve for x
    x = 26,694,459,872.06/174,213.09
  6. Step 6: Final answer
    x = 153,228.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.