Home / 136,519.15-204,642.64-65,310.43

Finding the Fourth Proportional to 136,519.15, 204,642.64 and 65,310.43

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Solution

The fourth proportional to 136,519.15, 204,642.64 and 65,310.43 is: 97,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,519.15 : 204,642.64 = 65,310.43 : x
  2. Step 2: Convert to fraction form
    136,519.15/204,642.64 = 65,310.43/x
  3. Step 3: Cross multiply
    136,519.15x = 204,642.64 × 65,310.43
  4. Step 4: Simplify right side
    136,519.15x = 13,365,298,814.74
  5. Step 5: Solve for x
    x = 13,365,298,814.74/136,519.15
  6. Step 6: Final answer
    x = 97,900.54

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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.