Home / 325,764.20-487,981.08-167,660.50

Finding the Fourth Proportional to 325,764.20, 487,981.08 and 167,660.50

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Solution

The fourth proportional to 325,764.20, 487,981.08 and 167,660.50 is: 251,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,764.20 : 487,981.08 = 167,660.50 : x
  2. Step 2: Convert to fraction form
    325,764.20/487,981.08 = 167,660.50/x
  3. Step 3: Cross multiply
    325,764.20x = 487,981.08 × 167,660.50
  4. Step 4: Simplify right side
    325,764.20x = 81,815,151,863.34
  5. Step 5: Solve for x
    x = 81,815,151,863.34/325,764.20
  6. Step 6: Final answer
    x = 251,148.38

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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.