Home / 152,629.87-228,632.55-71,460.58

Finding the Fourth Proportional to 152,629.87, 228,632.55 and 71,460.58

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Solution

The fourth proportional to 152,629.87, 228,632.55 and 71,460.58 is: 107,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,629.87 : 228,632.55 = 71,460.58 : x
  2. Step 2: Convert to fraction form
    152,629.87/228,632.55 = 71,460.58/x
  3. Step 3: Cross multiply
    152,629.87x = 228,632.55 × 71,460.58
  4. Step 4: Simplify right side
    152,629.87x = 16,338,214,629.88
  5. Step 5: Solve for x
    x = 16,338,214,629.88/152,629.87
  6. Step 6: Final answer
    x = 107,044.67

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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.