Home / 116,628.20-174,539.10-69,914.60

Finding the Fourth Proportional to 116,628.20, 174,539.10 and 69,914.60

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Solution

The fourth proportional to 116,628.20, 174,539.10 and 69,914.60 is: 104,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,628.20 : 174,539.10 = 69,914.60 : x
  2. Step 2: Convert to fraction form
    116,628.20/174,539.10 = 69,914.60/x
  3. Step 3: Cross multiply
    116,628.20x = 174,539.10 × 69,914.60
  4. Step 4: Simplify right side
    116,628.20x = 12,202,831,360.86
  5. Step 5: Solve for x
    x = 12,202,831,360.86/116,628.20
  6. Step 6: Final answer
    x = 104,630.20

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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.