Home / 193,810.22-290,759.20-67,456.42

Finding the Fourth Proportional to 193,810.22, 290,759.20 and 67,456.42

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Solution

The fourth proportional to 193,810.22, 290,759.20 and 67,456.42 is: 101,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,810.22 : 290,759.20 = 67,456.42 : x
  2. Step 2: Convert to fraction form
    193,810.22/290,759.20 = 67,456.42/x
  3. Step 3: Cross multiply
    193,810.22x = 290,759.20 × 67,456.42
  4. Step 4: Simplify right side
    193,810.22x = 19,613,574,714.06
  5. Step 5: Solve for x
    x = 19,613,574,714.06/193,810.22
  6. Step 6: Final answer
    x = 101,199.90

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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.