Home / 130,821.32-196,289.76-101,493.92

Finding the Fourth Proportional to 130,821.32, 196,289.76 and 101,493.92

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Solution

The fourth proportional to 130,821.32, 196,289.76 and 101,493.92 is: 152,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,821.32 : 196,289.76 = 101,493.92 : x
  2. Step 2: Convert to fraction form
    130,821.32/196,289.76 = 101,493.92/x
  3. Step 3: Cross multiply
    130,821.32x = 196,289.76 × 101,493.92
  4. Step 4: Simplify right side
    130,821.32x = 19,922,217,198.26
  5. Step 5: Solve for x
    x = 19,922,217,198.26/130,821.32
  6. Step 6: Final answer
    x = 152,285.71

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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.