Home / 167,719.76-251,528.40-47,786.48

Finding the Fourth Proportional to 167,719.76, 251,528.40 and 47,786.48

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Solution

The fourth proportional to 167,719.76, 251,528.40 and 47,786.48 is: 71,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,719.76 : 251,528.40 = 47,786.48 : x
  2. Step 2: Convert to fraction form
    167,719.76/251,528.40 = 47,786.48/x
  3. Step 3: Cross multiply
    167,719.76x = 251,528.40 × 47,786.48
  4. Step 4: Simplify right side
    167,719.76x = 12,019,656,856.03
  5. Step 5: Solve for x
    x = 12,019,656,856.03/167,719.76
  6. Step 6: Final answer
    x = 71,665.12

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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.