Home / 110,821.20-166,336.20-58,268.40

Finding the Fourth Proportional to 110,821.20, 166,336.20 and 58,268.40

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Solution

The fourth proportional to 110,821.20, 166,336.20 and 58,268.40 is: 87,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,821.20 : 166,336.20 = 58,268.40 : x
  2. Step 2: Convert to fraction form
    110,821.20/166,336.20 = 58,268.40/x
  3. Step 3: Cross multiply
    110,821.20x = 166,336.20 × 58,268.40
  4. Step 4: Simplify right side
    110,821.20x = 9,692,144,236.08
  5. Step 5: Solve for x
    x = 9,692,144,236.08/110,821.20
  6. Step 6: Final answer
    x = 87,457.49

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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.