Home / 156,491.36-234,754.30-49,850.51

Finding the Fourth Proportional to 156,491.36, 234,754.30 and 49,850.51

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Solution

The fourth proportional to 156,491.36, 234,754.30 and 49,850.51 is: 74,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,491.36 : 234,754.30 = 49,850.51 : x
  2. Step 2: Convert to fraction form
    156,491.36/234,754.30 = 49,850.51/x
  3. Step 3: Cross multiply
    156,491.36x = 234,754.30 × 49,850.51
  4. Step 4: Simplify right side
    156,491.36x = 11,702,621,579.69
  5. Step 5: Solve for x
    x = 11,702,621,579.69/156,491.36
  6. Step 6: Final answer
    x = 74,781.26

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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.