Home / 169,276.40-253,914.60-113,289.20

Finding the Fourth Proportional to 169,276.40, 253,914.60 and 113,289.20

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Solution

The fourth proportional to 169,276.40, 253,914.60 and 113,289.20 is: 169,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,276.40 : 253,914.60 = 113,289.20 : x
  2. Step 2: Convert to fraction form
    169,276.40/253,914.60 = 113,289.20/x
  3. Step 3: Cross multiply
    169,276.40x = 253,914.60 × 113,289.20
  4. Step 4: Simplify right side
    169,276.40x = 28,765,781,902.32
  5. Step 5: Solve for x
    x = 28,765,781,902.32/169,276.40
  6. Step 6: Final answer
    x = 169,933.80

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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.