Home / 199,264.74-274,985.06-108,620.88

Finding the Fourth Proportional to 199,264.74, 274,985.06 and 108,620.88

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Solution

The fourth proportional to 199,264.74, 274,985.06 and 108,620.88 is: 149,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,264.74 : 274,985.06 = 108,620.88 : x
  2. Step 2: Convert to fraction form
    199,264.74/274,985.06 = 108,620.88/x
  3. Step 3: Cross multiply
    199,264.74x = 274,985.06 × 108,620.88
  4. Step 4: Simplify right side
    199,264.74x = 29,869,118,660.95
  5. Step 5: Solve for x
    x = 29,869,118,660.95/199,264.74
  6. Step 6: Final answer
    x = 149,896.66

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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.