Home / 164,867.58-247,155.48-80,580.60

Finding the Fourth Proportional to 164,867.58, 247,155.48 and 80,580.60

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Solution

The fourth proportional to 164,867.58, 247,155.48 and 80,580.60 is: 120,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,867.58 : 247,155.48 = 80,580.60 : x
  2. Step 2: Convert to fraction form
    164,867.58/247,155.48 = 80,580.60/x
  3. Step 3: Cross multiply
    164,867.58x = 247,155.48 × 80,580.60
  4. Step 4: Simplify right side
    164,867.58x = 19,915,936,871.69
  5. Step 5: Solve for x
    x = 19,915,936,871.69/164,867.58
  6. Step 6: Final answer
    x = 120,799.59

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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.