Home / 110,929.40-166,394.10-92,230.55

Finding the Fourth Proportional to 110,929.40, 166,394.10 and 92,230.55

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Solution

The fourth proportional to 110,929.40, 166,394.10 and 92,230.55 is: 138,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,929.40 : 166,394.10 = 92,230.55 : x
  2. Step 2: Convert to fraction form
    110,929.40/166,394.10 = 92,230.55/x
  3. Step 3: Cross multiply
    110,929.40x = 166,394.10 × 92,230.55
  4. Step 4: Simplify right side
    110,929.40x = 15,346,619,359.76
  5. Step 5: Solve for x
    x = 15,346,619,359.76/110,929.40
  6. Step 6: Final answer
    x = 138,345.83

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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.