Home / 199,256.63-274,977.02-108,612.61

Finding the Fourth Proportional to 199,256.63, 274,977.02 and 108,612.61

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Solution

The fourth proportional to 199,256.63, 274,977.02 and 108,612.61 is: 149,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,256.63 : 274,977.02 = 108,612.61 : x
  2. Step 2: Convert to fraction form
    199,256.63/274,977.02 = 108,612.61/x
  3. Step 3: Cross multiply
    199,256.63x = 274,977.02 × 108,612.61
  4. Step 4: Simplify right side
    199,256.63x = 29,865,971,416.31
  5. Step 5: Solve for x
    x = 29,865,971,416.31/199,256.63
  6. Step 6: Final answer
    x = 149,886.97

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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.