Home / 436,215.01-654,322.67-136,718.83

Finding the Fourth Proportional to 436,215.01, 654,322.67 and 136,718.83

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Solution

The fourth proportional to 436,215.01, 654,322.67 and 136,718.83 is: 205,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,215.01 : 654,322.67 = 136,718.83 : x
  2. Step 2: Convert to fraction form
    436,215.01/654,322.67 = 136,718.83/x
  3. Step 3: Cross multiply
    436,215.01x = 654,322.67 × 136,718.83
  4. Step 4: Simplify right side
    436,215.01x = 89,458,229,884.88
  5. Step 5: Solve for x
    x = 89,458,229,884.88/436,215.01
  6. Step 6: Final answer
    x = 205,078.29

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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.