Home / 116,629.20-174,652.20-76,971.60

Finding the Fourth Proportional to 116,629.20, 174,652.20 and 76,971.60

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Solution

The fourth proportional to 116,629.20, 174,652.20 and 76,971.60 is: 115,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,629.20 : 174,652.20 = 76,971.60 : x
  2. Step 2: Convert to fraction form
    116,629.20/174,652.20 = 76,971.60/x
  3. Step 3: Cross multiply
    116,629.20x = 174,652.20 × 76,971.60
  4. Step 4: Simplify right side
    116,629.20x = 13,443,259,277.52
  5. Step 5: Solve for x
    x = 13,443,259,277.52/116,629.20
  6. Step 6: Final answer
    x = 115,264.95

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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.