Home / 193,690.12-291,079.50-114,815.56

Finding the Fourth Proportional to 193,690.12, 291,079.50 and 114,815.56

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Solution

The fourth proportional to 193,690.12, 291,079.50 and 114,815.56 is: 172,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,690.12 : 291,079.50 = 114,815.56 : x
  2. Step 2: Convert to fraction form
    193,690.12/291,079.50 = 114,815.56/x
  3. Step 3: Cross multiply
    193,690.12x = 291,079.50 × 114,815.56
  4. Step 4: Simplify right side
    193,690.12x = 33,420,455,797.02
  5. Step 5: Solve for x
    x = 33,420,455,797.02/193,690.12
  6. Step 6: Final answer
    x = 172,546.00

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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.