Home / 289,596.24-434,336.04-79,255.44

Finding the Fourth Proportional to 289,596.24, 434,336.04 and 79,255.44

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Solution

The fourth proportional to 289,596.24, 434,336.04 and 79,255.44 is: 118,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,596.24 : 434,336.04 = 79,255.44 : x
  2. Step 2: Convert to fraction form
    289,596.24/434,336.04 = 79,255.44/x
  3. Step 3: Cross multiply
    289,596.24x = 434,336.04 × 79,255.44
  4. Step 4: Simplify right side
    289,596.24x = 34,423,493,958.06
  5. Step 5: Solve for x
    x = 34,423,493,958.06/289,596.24
  6. Step 6: Final answer
    x = 118,867.20

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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.