Home / 313,255.10-469,899.04-144,932.64

Finding the Fourth Proportional to 313,255.10, 469,899.04 and 144,932.64

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Solution

The fourth proportional to 313,255.10, 469,899.04 and 144,932.64 is: 217,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,255.10 : 469,899.04 = 144,932.64 : x
  2. Step 2: Convert to fraction form
    313,255.10/469,899.04 = 144,932.64/x
  3. Step 3: Cross multiply
    313,255.10x = 469,899.04 × 144,932.64
  4. Step 4: Simplify right side
    313,255.10x = 68,103,708,400.67
  5. Step 5: Solve for x
    x = 68,103,708,400.67/313,255.10
  6. Step 6: Final answer
    x = 217,406.54

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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.