Home / 116,634.20-174,548.10-69,920.60

Finding the Fourth Proportional to 116,634.20, 174,548.10 and 69,920.60

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Solution

The fourth proportional to 116,634.20, 174,548.10 and 69,920.60 is: 104,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,634.20 : 174,548.10 = 69,920.60 : x
  2. Step 2: Convert to fraction form
    116,634.20/174,548.10 = 69,920.60/x
  3. Step 3: Cross multiply
    116,634.20x = 174,548.10 × 69,920.60
  4. Step 4: Simplify right side
    116,634.20x = 12,204,507,880.86
  5. Step 5: Solve for x
    x = 12,204,507,880.86/116,634.20
  6. Step 6: Final answer
    x = 104,639.19

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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.