Home / 167,819.79-251,730.36-67,981.86

Finding the Fourth Proportional to 167,819.79, 251,730.36 and 67,981.86

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Solution

The fourth proportional to 167,819.79, 251,730.36 and 67,981.86 is: 101,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,819.79 : 251,730.36 = 67,981.86 : x
  2. Step 2: Convert to fraction form
    167,819.79/251,730.36 = 67,981.86/x
  3. Step 3: Cross multiply
    167,819.79x = 251,730.36 × 67,981.86
  4. Step 4: Simplify right side
    167,819.79x = 17,113,098,091.27
  5. Step 5: Solve for x
    x = 17,113,098,091.27/167,819.79
  6. Step 6: Final answer
    x = 101,973.06

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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.