Home / 199,126.89-274,817.52-122,631.03

Finding the Fourth Proportional to 199,126.89, 274,817.52 and 122,631.03

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Solution

The fourth proportional to 199,126.89, 274,817.52 and 122,631.03 is: 169,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,126.89 : 274,817.52 = 122,631.03 : x
  2. Step 2: Convert to fraction form
    199,126.89/274,817.52 = 122,631.03/x
  3. Step 3: Cross multiply
    199,126.89x = 274,817.52 × 122,631.03
  4. Step 4: Simplify right side
    199,126.89x = 33,701,155,539.65
  5. Step 5: Solve for x
    x = 33,701,155,539.65/199,126.89
  6. Step 6: Final answer
    x = 169,244.62

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1.5x scale

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.