Home / 113,231.40-169,847.10-43,101.60

Finding the Fourth Proportional to 113,231.40, 169,847.10 and 43,101.60

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Solution

The fourth proportional to 113,231.40, 169,847.10 and 43,101.60 is: 64,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,231.40 : 169,847.10 = 43,101.60 : x
  2. Step 2: Convert to fraction form
    113,231.40/169,847.10 = 43,101.60/x
  3. Step 3: Cross multiply
    113,231.40x = 169,847.10 × 43,101.60
  4. Step 4: Simplify right side
    113,231.40x = 7,320,681,765.36
  5. Step 5: Solve for x
    x = 7,320,681,765.36/113,231.40
  6. Step 6: Final answer
    x = 64,652.40

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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.