Home / 193,297.12-290,029.20-104,613.64

Finding the Fourth Proportional to 193,297.12, 290,029.20 and 104,613.64

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Solution

The fourth proportional to 193,297.12, 290,029.20 and 104,613.64 is: 156,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,297.12 : 290,029.20 = 104,613.64 : x
  2. Step 2: Convert to fraction form
    193,297.12/290,029.20 = 104,613.64/x
  3. Step 3: Cross multiply
    193,297.12x = 290,029.20 × 104,613.64
  4. Step 4: Simplify right side
    193,297.12x = 30,341,010,318.29
  5. Step 5: Solve for x
    x = 30,341,010,318.29/193,297.12
  6. Step 6: Final answer
    x = 156,965.66

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1.5x scale

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.