Home / 159,074.43-238,613.54-40,742.61

Finding the Fourth Proportional to 159,074.43, 238,613.54 and 40,742.61

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Solution

The fourth proportional to 159,074.43, 238,613.54 and 40,742.61 is: 61,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,074.43 : 238,613.54 = 40,742.61 : x
  2. Step 2: Convert to fraction form
    159,074.43/238,613.54 = 40,742.61/x
  3. Step 3: Cross multiply
    159,074.43x = 238,613.54 × 40,742.61
  4. Step 4: Simplify right side
    159,074.43x = 9,721,738,197.23
  5. Step 5: Solve for x
    x = 9,721,738,197.23/159,074.43
  6. Step 6: Final answer
    x = 61,114.40

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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.