Home / 165,617.60-228,533.24-93,983.36

Finding the Fourth Proportional to 165,617.60, 228,533.24 and 93,983.36

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Solution

The fourth proportional to 165,617.60, 228,533.24 and 93,983.36 is: 129,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,617.60 : 228,533.24 = 93,983.36 : x
  2. Step 2: Convert to fraction form
    165,617.60/228,533.24 = 93,983.36/x
  3. Step 3: Cross multiply
    165,617.60x = 228,533.24 × 93,983.36
  4. Step 4: Simplify right side
    165,617.60x = 21,478,321,766.89
  5. Step 5: Solve for x
    x = 21,478,321,766.89/165,617.60
  6. Step 6: Final answer
    x = 129,686.23

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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.