Home / 215,819.58-323,762.66-73,631.55

Finding the Fourth Proportional to 215,819.58, 323,762.66 and 73,631.55

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Solution

The fourth proportional to 215,819.58, 323,762.66 and 73,631.55 is: 110,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,819.58 : 323,762.66 = 73,631.55 : x
  2. Step 2: Convert to fraction form
    215,819.58/323,762.66 = 73,631.55/x
  3. Step 3: Cross multiply
    215,819.58x = 323,762.66 × 73,631.55
  4. Step 4: Simplify right side
    215,819.58x = 23,839,146,119.77
  5. Step 5: Solve for x
    x = 23,839,146,119.77/215,819.58
  6. Step 6: Final answer
    x = 110,458.68

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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.