Home / 156,513.36-234,804.60-45,714

Finding the Fourth Proportional to 156,513.36, 234,804.60 and 45,714

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Solution

The fourth proportional to 156,513.36, 234,804.60 and 45,714 is: 68,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,513.36 : 234,804.60 = 45,714 : x
  2. Step 2: Convert to fraction form
    156,513.36/234,804.60 = 45,714/x
  3. Step 3: Cross multiply
    156,513.36x = 234,804.60 × 45,714
  4. Step 4: Simplify right side
    156,513.36x = 10,733,857,484.40
  5. Step 5: Solve for x
    x = 10,733,857,484.40/156,513.36
  6. Step 6: Final answer
    x = 68,581.09

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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.