Home / 353,640.10-529,682.55-187,233.70

Finding the Fourth Proportional to 353,640.10, 529,682.55 and 187,233.70

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Solution

The fourth proportional to 353,640.10, 529,682.55 and 187,233.70 is: 280,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,640.10 : 529,682.55 = 187,233.70 : x
  2. Step 2: Convert to fraction form
    353,640.10/529,682.55 = 187,233.70/x
  3. Step 3: Cross multiply
    353,640.10x = 529,682.55 × 187,233.70
  4. Step 4: Simplify right side
    353,640.10x = 99,174,423,661.94
  5. Step 5: Solve for x
    x = 99,174,423,661.94/353,640.10
  6. Step 6: Final answer
    x = 280,438.85

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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.