Home / 159,076.35-238,609.05-40,748.71

Finding the Fourth Proportional to 159,076.35, 238,609.05 and 40,748.71

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Solution

The fourth proportional to 159,076.35, 238,609.05 and 40,748.71 is: 61,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,076.35 : 238,609.05 = 40,748.71 : x
  2. Step 2: Convert to fraction form
    159,076.35/238,609.05 = 40,748.71/x
  3. Step 3: Cross multiply
    159,076.35x = 238,609.05 × 40,748.71
  4. Step 4: Simplify right side
    159,076.35x = 9,723,010,981.83
  5. Step 5: Solve for x
    x = 9,723,010,981.83/159,076.35
  6. Step 6: Final answer
    x = 61,121.66

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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.