Home / 178,811.60-268,390.20-108,827.60

Finding the Fourth Proportional to 178,811.60, 268,390.20 and 108,827.60

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Solution

The fourth proportional to 178,811.60, 268,390.20 and 108,827.60 is: 163,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,811.60 : 268,390.20 = 108,827.60 : x
  2. Step 2: Convert to fraction form
    178,811.60/268,390.20 = 108,827.60/x
  3. Step 3: Cross multiply
    178,811.60x = 268,390.20 × 108,827.60
  4. Step 4: Simplify right side
    178,811.60x = 29,208,261,329.52
  5. Step 5: Solve for x
    x = 29,208,261,329.52/178,811.60
  6. Step 6: Final answer
    x = 163,346.57

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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.