Home / 168,704.32-253,146.72-109,526.08

Finding the Fourth Proportional to 168,704.32, 253,146.72 and 109,526.08

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Solution

The fourth proportional to 168,704.32, 253,146.72 and 109,526.08 is: 164,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,704.32 : 253,146.72 = 109,526.08 : x
  2. Step 2: Convert to fraction form
    168,704.32/253,146.72 = 109,526.08/x
  3. Step 3: Cross multiply
    168,704.32x = 253,146.72 × 109,526.08
  4. Step 4: Simplify right side
    168,704.32x = 27,726,167,906.46
  5. Step 5: Solve for x
    x = 27,726,167,906.46/168,704.32
  6. Step 6: Final answer
    x = 164,347.71

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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.