Home / 180,937.20-271,405.80-117,951.60

Finding the Fourth Proportional to 180,937.20, 271,405.80 and 117,951.60

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Solution

The fourth proportional to 180,937.20, 271,405.80 and 117,951.60 is: 176,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,937.20 : 271,405.80 = 117,951.60 : x
  2. Step 2: Convert to fraction form
    180,937.20/271,405.80 = 117,951.60/x
  3. Step 3: Cross multiply
    180,937.20x = 271,405.80 × 117,951.60
  4. Step 4: Simplify right side
    180,937.20x = 32,012,748,359.28
  5. Step 5: Solve for x
    x = 32,012,748,359.28/180,937.20
  6. Step 6: Final answer
    x = 176,927.40

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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.