Home / 353,629.14-530,448.59-100,909.56

Finding the Fourth Proportional to 353,629.14, 530,448.59 and 100,909.56

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Solution

The fourth proportional to 353,629.14, 530,448.59 and 100,909.56 is: 151,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,629.14 : 530,448.59 = 100,909.56 : x
  2. Step 2: Convert to fraction form
    353,629.14/530,448.59 = 100,909.56/x
  3. Step 3: Cross multiply
    353,629.14x = 530,448.59 × 100,909.56
  4. Step 4: Simplify right side
    353,629.14x = 53,527,333,819.52
  5. Step 5: Solve for x
    x = 53,527,333,819.52/353,629.14
  6. Step 6: Final answer
    x = 151,365.73

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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.