Home / 111,538.60-154,226.02-109,735.88

Finding the Fourth Proportional to 111,538.60, 154,226.02 and 109,735.88

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Solution

The fourth proportional to 111,538.60, 154,226.02 and 109,735.88 is: 151,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,538.60 : 154,226.02 = 109,735.88 : x
  2. Step 2: Convert to fraction form
    111,538.60/154,226.02 = 109,735.88/x
  3. Step 3: Cross multiply
    111,538.60x = 154,226.02 × 109,735.88
  4. Step 4: Simplify right side
    111,538.60x = 16,924,127,252.47
  5. Step 5: Solve for x
    x = 16,924,127,252.47/111,538.60
  6. Step 6: Final answer
    x = 151,733.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.