Home / 178,823.20-268,234.80-119,725.60

Finding the Fourth Proportional to 178,823.20, 268,234.80 and 119,725.60

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Solution

The fourth proportional to 178,823.20, 268,234.80 and 119,725.60 is: 179,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,823.20 : 268,234.80 = 119,725.60 : x
  2. Step 2: Convert to fraction form
    178,823.20/268,234.80 = 119,725.60/x
  3. Step 3: Cross multiply
    178,823.20x = 268,234.80 × 119,725.60
  4. Step 4: Simplify right side
    178,823.20x = 32,114,572,370.88
  5. Step 5: Solve for x
    x = 32,114,572,370.88/178,823.20
  6. Step 6: Final answer
    x = 179,588.40

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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.