Home / 352,861.45-529,312.46-100,122.16

Finding the Fourth Proportional to 352,861.45, 529,312.46 and 100,122.16

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Solution

The fourth proportional to 352,861.45, 529,312.46 and 100,122.16 is: 150,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,861.45 : 529,312.46 = 100,122.16 : x
  2. Step 2: Convert to fraction form
    352,861.45/529,312.46 = 100,122.16/x
  3. Step 3: Cross multiply
    352,861.45x = 529,312.46 × 100,122.16
  4. Step 4: Simplify right side
    352,861.45x = 52,995,906,810.11
  5. Step 5: Solve for x
    x = 52,995,906,810.11/352,861.45
  6. Step 6: Final answer
    x = 150,189.00

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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.