Home / 156,629.36-235,042.80-81,884.24

Finding the Fourth Proportional to 156,629.36, 235,042.80 and 81,884.24

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Solution

The fourth proportional to 156,629.36, 235,042.80 and 81,884.24 is: 122,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629.36 : 235,042.80 = 81,884.24 : x
  2. Step 2: Convert to fraction form
    156,629.36/235,042.80 = 81,884.24/x
  3. Step 3: Cross multiply
    156,629.36x = 235,042.80 × 81,884.24
  4. Step 4: Simplify right side
    156,629.36x = 19,246,301,045.47
  5. Step 5: Solve for x
    x = 19,246,301,045.47/156,629.36
  6. Step 6: Final answer
    x = 122,877.99

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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.