Home / 175,233.60-262,942.20-80,492.40

Finding the Fourth Proportional to 175,233.60, 262,942.20 and 80,492.40

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Solution

The fourth proportional to 175,233.60, 262,942.20 and 80,492.40 is: 120,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,233.60 : 262,942.20 = 80,492.40 : x
  2. Step 2: Convert to fraction form
    175,233.60/262,942.20 = 80,492.40/x
  3. Step 3: Cross multiply
    175,233.60x = 262,942.20 × 80,492.40
  4. Step 4: Simplify right side
    175,233.60x = 21,164,848,739.28
  5. Step 5: Solve for x
    x = 21,164,848,739.28/175,233.60
  6. Step 6: Final answer
    x = 120,780.77

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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.