Home / 199,051.59-274,687.10-108,409.15

Finding the Fourth Proportional to 199,051.59, 274,687.10 and 108,409.15

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Solution

The fourth proportional to 199,051.59, 274,687.10 and 108,409.15 is: 149,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,051.59 : 274,687.10 = 108,409.15 : x
  2. Step 2: Convert to fraction form
    199,051.59/274,687.10 = 108,409.15/x
  3. Step 3: Cross multiply
    199,051.59x = 274,687.10 × 108,409.15
  4. Step 4: Simplify right side
    199,051.59x = 29,778,595,234.81
  5. Step 5: Solve for x
    x = 29,778,595,234.81/199,051.59
  6. Step 6: Final answer
    x = 149,602.40

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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.