Home / 193,984.80-290,976-49,890.08

Finding the Fourth Proportional to 193,984.80, 290,976 and 49,890.08

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Solution

The fourth proportional to 193,984.80, 290,976 and 49,890.08 is: 74,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,984.80 : 290,976 = 49,890.08 : x
  2. Step 2: Convert to fraction form
    193,984.80/290,976 = 49,890.08/x
  3. Step 3: Cross multiply
    193,984.80x = 290,976 × 49,890.08
  4. Step 4: Simplify right side
    193,984.80x = 14,516,815,918.08
  5. Step 5: Solve for x
    x = 14,516,815,918.08/193,984.80
  6. Step 6: Final answer
    x = 74,834.81

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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.