Home / 156,579.54-216,135.80-92,917.33

Finding the Fourth Proportional to 156,579.54, 216,135.80 and 92,917.33

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Solution

The fourth proportional to 156,579.54, 216,135.80 and 92,917.33 is: 128,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,579.54 : 216,135.80 = 92,917.33 : x
  2. Step 2: Convert to fraction form
    156,579.54/216,135.80 = 92,917.33/x
  3. Step 3: Cross multiply
    156,579.54x = 216,135.80 × 92,917.33
  4. Step 4: Simplify right side
    156,579.54x = 20,082,761,453.41
  5. Step 5: Solve for x
    x = 20,082,761,453.41/156,579.54
  6. Step 6: Final answer
    x = 128,259.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.