Home / 347,218.20-520,827.30-97,900.20

Finding the Fourth Proportional to 347,218.20, 520,827.30 and 97,900.20

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Solution

The fourth proportional to 347,218.20, 520,827.30 and 97,900.20 is: 146,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,218.20 : 520,827.30 = 97,900.20 : x
  2. Step 2: Convert to fraction form
    347,218.20/520,827.30 = 97,900.20/x
  3. Step 3: Cross multiply
    347,218.20x = 520,827.30 × 97,900.20
  4. Step 4: Simplify right side
    347,218.20x = 50,989,096,835.46
  5. Step 5: Solve for x
    x = 50,989,096,835.46/347,218.20
  6. Step 6: Final answer
    x = 146,850.30

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Similar ratio
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1.5x scale

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.