Home / 213,610.64-320,633.22-107,071.52

Finding the Fourth Proportional to 213,610.64, 320,633.22 and 107,071.52

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Solution

The fourth proportional to 213,610.64, 320,633.22 and 107,071.52 is: 160,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,610.64 : 320,633.22 = 107,071.52 : x
  2. Step 2: Convert to fraction form
    213,610.64/320,633.22 = 107,071.52/x
  3. Step 3: Cross multiply
    213,610.64x = 320,633.22 × 107,071.52
  4. Step 4: Simplify right side
    213,610.64x = 34,330,686,227.89
  5. Step 5: Solve for x
    x = 34,330,686,227.89/213,610.64
  6. Step 6: Final answer
    x = 160,716.18

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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.