Home / 231,977.60-347,961.72-74,206.04

Finding the Fourth Proportional to 231,977.60, 347,961.72 and 74,206.04

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Solution

The fourth proportional to 231,977.60, 347,961.72 and 74,206.04 is: 111,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,977.60 : 347,961.72 = 74,206.04 : x
  2. Step 2: Convert to fraction form
    231,977.60/347,961.72 = 74,206.04/x
  3. Step 3: Cross multiply
    231,977.60x = 347,961.72 × 74,206.04
  4. Step 4: Simplify right side
    231,977.60x = 25,820,861,312.79
  5. Step 5: Solve for x
    x = 25,820,861,312.79/231,977.60
  6. Step 6: Final answer
    x = 111,307.56

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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.