Home / 179,047.60-268,279.80-131,808.40

Finding the Fourth Proportional to 179,047.60, 268,279.80 and 131,808.40

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Solution

The fourth proportional to 179,047.60, 268,279.80 and 131,808.40 is: 197,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,047.60 : 268,279.80 = 131,808.40 : x
  2. Step 2: Convert to fraction form
    179,047.60/268,279.80 = 131,808.40/x
  3. Step 3: Cross multiply
    179,047.60x = 268,279.80 × 131,808.40
  4. Step 4: Simplify right side
    179,047.60x = 35,361,531,190.32
  5. Step 5: Solve for x
    x = 35,361,531,190.32/179,047.60
  6. Step 6: Final answer
    x = 197,497.93

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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.