Home / 116,627.20-174,537.60-69,913.60

Finding the Fourth Proportional to 116,627.20, 174,537.60 and 69,913.60

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Solution

The fourth proportional to 116,627.20, 174,537.60 and 69,913.60 is: 104,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,627.20 : 174,537.60 = 69,913.60 : x
  2. Step 2: Convert to fraction form
    116,627.20/174,537.60 = 69,913.60/x
  3. Step 3: Cross multiply
    116,627.20x = 174,537.60 × 69,913.60
  4. Step 4: Simplify right side
    116,627.20x = 12,202,551,951.36
  5. Step 5: Solve for x
    x = 12,202,551,951.36/116,627.20
  6. Step 6: Final answer
    x = 104,628.70

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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.