Home / 125,998.20-188,997.30-94,505.40

Finding the Fourth Proportional to 125,998.20, 188,997.30 and 94,505.40

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Solution

The fourth proportional to 125,998.20, 188,997.30 and 94,505.40 is: 141,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,998.20 : 188,997.30 = 94,505.40 : x
  2. Step 2: Convert to fraction form
    125,998.20/188,997.30 = 94,505.40/x
  3. Step 3: Cross multiply
    125,998.20x = 188,997.30 × 94,505.40
  4. Step 4: Simplify right side
    125,998.20x = 17,861,265,435.42
  5. Step 5: Solve for x
    x = 17,861,265,435.42/125,998.20
  6. Step 6: Final answer
    x = 141,758.10

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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.