Home / 156,336.76-234,455.91-51,131.17

Finding the Fourth Proportional to 156,336.76, 234,455.91 and 51,131.17

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Solution

The fourth proportional to 156,336.76, 234,455.91 and 51,131.17 is: 76,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,336.76 : 234,455.91 = 51,131.17 : x
  2. Step 2: Convert to fraction form
    156,336.76/234,455.91 = 51,131.17/x
  3. Step 3: Cross multiply
    156,336.76x = 234,455.91 × 51,131.17
  4. Step 4: Simplify right side
    156,336.76x = 11,988,004,991.71
  5. Step 5: Solve for x
    x = 11,988,004,991.71/156,336.76
  6. Step 6: Final answer
    x = 76,680.65

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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.