Home / 347,331.40-520,997.10-169,952.20

Finding the Fourth Proportional to 347,331.40, 520,997.10 and 169,952.20

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Solution

The fourth proportional to 347,331.40, 520,997.10 and 169,952.20 is: 254,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,331.40 : 520,997.10 = 169,952.20 : x
  2. Step 2: Convert to fraction form
    347,331.40/520,997.10 = 169,952.20/x
  3. Step 3: Cross multiply
    347,331.40x = 520,997.10 × 169,952.20
  4. Step 4: Simplify right side
    347,331.40x = 88,544,603,338.62
  5. Step 5: Solve for x
    x = 88,544,603,338.62/347,331.40
  6. Step 6: Final answer
    x = 254,928.30

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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.