Home / 156,942.28-235,355.10-51,733

Finding the Fourth Proportional to 156,942.28, 235,355.10 and 51,733

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Solution

The fourth proportional to 156,942.28, 235,355.10 and 51,733 is: 77,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.28 : 235,355.10 = 51,733 : x
  2. Step 2: Convert to fraction form
    156,942.28/235,355.10 = 51,733/x
  3. Step 3: Cross multiply
    156,942.28x = 235,355.10 × 51,733
  4. Step 4: Simplify right side
    156,942.28x = 12,175,625,388.30
  5. Step 5: Solve for x
    x = 12,175,625,388.30/156,942.28
  6. Step 6: Final answer
    x = 77,580.28

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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.