Home / 116,619.20-174,525.60-69,905.60

Finding the Fourth Proportional to 116,619.20, 174,525.60 and 69,905.60

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Solution

The fourth proportional to 116,619.20, 174,525.60 and 69,905.60 is: 104,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,619.20 : 174,525.60 = 69,905.60 : x
  2. Step 2: Convert to fraction form
    116,619.20/174,525.60 = 69,905.60/x
  3. Step 3: Cross multiply
    116,619.20x = 174,525.60 × 69,905.60
  4. Step 4: Simplify right side
    116,619.20x = 12,200,316,783.36
  5. Step 5: Solve for x
    x = 12,200,316,783.36/116,619.20
  6. Step 6: Final answer
    x = 104,616.71

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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.