Home / 341,723.80-512,585.70-131,368.60

Finding the Fourth Proportional to 341,723.80, 512,585.70 and 131,368.60

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Solution

The fourth proportional to 341,723.80, 512,585.70 and 131,368.60 is: 197,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,723.80 : 512,585.70 = 131,368.60 : x
  2. Step 2: Convert to fraction form
    341,723.80/512,585.70 = 131,368.60/x
  3. Step 3: Cross multiply
    341,723.80x = 512,585.70 × 131,368.60
  4. Step 4: Simplify right side
    341,723.80x = 67,337,665,789.02
  5. Step 5: Solve for x
    x = 67,337,665,789.02/341,723.80
  6. Step 6: Final answer
    x = 197,052.90

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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.