Home / 110,307.30-164,213.54-109,651.20

Finding the Fourth Proportional to 110,307.30, 164,213.54 and 109,651.20

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Solution

The fourth proportional to 110,307.30, 164,213.54 and 109,651.20 is: 163,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,307.30 : 164,213.54 = 109,651.20 : x
  2. Step 2: Convert to fraction form
    110,307.30/164,213.54 = 109,651.20/x
  3. Step 3: Cross multiply
    110,307.30x = 164,213.54 × 109,651.20
  4. Step 4: Simplify right side
    110,307.30x = 18,006,211,168.99
  5. Step 5: Solve for x
    x = 18,006,211,168.99/110,307.30
  6. Step 6: Final answer
    x = 163,236.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.