Home / 117,822.80-176,734.20-68,056.40

Finding the Fourth Proportional to 117,822.80, 176,734.20 and 68,056.40

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Solution

The fourth proportional to 117,822.80, 176,734.20 and 68,056.40 is: 102,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,822.80 : 176,734.20 = 68,056.40 : x
  2. Step 2: Convert to fraction form
    117,822.80/176,734.20 = 68,056.40/x
  3. Step 3: Cross multiply
    117,822.80x = 176,734.20 × 68,056.40
  4. Step 4: Simplify right side
    117,822.80x = 12,027,893,408.88
  5. Step 5: Solve for x
    x = 12,027,893,408.88/117,822.80
  6. Step 6: Final answer
    x = 102,084.60

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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.