Home / 348,577.20-523,011.60-111,992.40

Finding the Fourth Proportional to 348,577.20, 523,011.60 and 111,992.40

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Solution

The fourth proportional to 348,577.20, 523,011.60 and 111,992.40 is: 168,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,577.20 : 523,011.60 = 111,992.40 : x
  2. Step 2: Convert to fraction form
    348,577.20/523,011.60 = 111,992.40/x
  3. Step 3: Cross multiply
    348,577.20x = 523,011.60 × 111,992.40
  4. Step 4: Simplify right side
    348,577.20x = 58,573,324,311.84
  5. Step 5: Solve for x
    x = 58,573,324,311.84/348,577.20
  6. Step 6: Final answer
    x = 168,035.44

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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.