Home / 238,865.45-358,353.53-81,093.90

Finding the Fourth Proportional to 238,865.45, 358,353.53 and 81,093.90

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Solution

The fourth proportional to 238,865.45, 358,353.53 and 81,093.90 is: 121,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,865.45 : 358,353.53 = 81,093.90 : x
  2. Step 2: Convert to fraction form
    238,865.45/358,353.53 = 81,093.90/x
  3. Step 3: Cross multiply
    238,865.45x = 358,353.53 × 81,093.90
  4. Step 4: Simplify right side
    238,865.45x = 29,060,284,921.00
  5. Step 5: Solve for x
    x = 29,060,284,921.00/238,865.45
  6. Step 6: Final answer
    x = 121,659.64

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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.