Home / 336,405.12-504,659.52-99,784.32

Finding the Fourth Proportional to 336,405.12, 504,659.52 and 99,784.32

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Solution

The fourth proportional to 336,405.12, 504,659.52 and 99,784.32 is: 149,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,405.12 : 504,659.52 = 99,784.32 : x
  2. Step 2: Convert to fraction form
    336,405.12/504,659.52 = 99,784.32/x
  3. Step 3: Cross multiply
    336,405.12x = 504,659.52 × 99,784.32
  4. Step 4: Simplify right side
    336,405.12x = 50,357,107,034.73
  5. Step 5: Solve for x
    x = 50,357,107,034.73/336,405.12
  6. Step 6: Final answer
    x = 149,691.86

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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.