Home / 347,223.20-520,834.80-97,905.20

Finding the Fourth Proportional to 347,223.20, 520,834.80 and 97,905.20

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Solution

The fourth proportional to 347,223.20, 520,834.80 and 97,905.20 is: 146,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,223.20 : 520,834.80 = 97,905.20 : x
  2. Step 2: Convert to fraction form
    347,223.20/520,834.80 = 97,905.20/x
  3. Step 3: Cross multiply
    347,223.20x = 520,834.80 × 97,905.20
  4. Step 4: Simplify right side
    347,223.20x = 50,992,435,260.96
  5. Step 5: Solve for x
    x = 50,992,435,260.96/347,223.20
  6. Step 6: Final answer
    x = 146,857.80

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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.