Home / 125,900.20-188,709.36-96,438.88

Finding the Fourth Proportional to 125,900.20, 188,709.36 and 96,438.88

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Solution

The fourth proportional to 125,900.20, 188,709.36 and 96,438.88 is: 144,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,900.20 : 188,709.36 = 96,438.88 : x
  2. Step 2: Convert to fraction form
    125,900.20/188,709.36 = 96,438.88/x
  3. Step 3: Cross multiply
    125,900.20x = 188,709.36 × 96,438.88
  4. Step 4: Simplify right side
    125,900.20x = 18,198,919,323.92
  5. Step 5: Solve for x
    x = 18,198,919,323.92/125,900.20
  6. Step 6: Final answer
    x = 144,550.36

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1.5x scale

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.