Home / 116,690.20-175,035.30-42,808.60

Finding the Fourth Proportional to 116,690.20, 175,035.30 and 42,808.60

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Solution

The fourth proportional to 116,690.20, 175,035.30 and 42,808.60 is: 64,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,690.20 : 175,035.30 = 42,808.60 : x
  2. Step 2: Convert to fraction form
    116,690.20/175,035.30 = 42,808.60/x
  3. Step 3: Cross multiply
    116,690.20x = 175,035.30 × 42,808.60
  4. Step 4: Simplify right side
    116,690.20x = 7,493,016,143.58
  5. Step 5: Solve for x
    x = 7,493,016,143.58/116,690.20
  6. Step 6: Final answer
    x = 64,212.90

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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.