Home / 116,177.52-160,415.28-89,277.60

Finding the Fourth Proportional to 116,177.52, 160,415.28 and 89,277.60

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Solution

The fourth proportional to 116,177.52, 160,415.28 and 89,277.60 is: 123,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,177.52 : 160,415.28 = 89,277.60 : x
  2. Step 2: Convert to fraction form
    116,177.52/160,415.28 = 89,277.60/x
  3. Step 3: Cross multiply
    116,177.52x = 160,415.28 × 89,277.60
  4. Step 4: Simplify right side
    116,177.52x = 14,321,491,201.73
  5. Step 5: Solve for x
    x = 14,321,491,201.73/116,177.52
  6. Step 6: Final answer
    x = 123,272.48

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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.