Home / 379,582.39-569,180.13-126,771.94

Finding the Fourth Proportional to 379,582.39, 569,180.13 and 126,771.94

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Solution

The fourth proportional to 379,582.39, 569,180.13 and 126,771.94 is: 190,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,582.39 : 569,180.13 = 126,771.94 : x
  2. Step 2: Convert to fraction form
    379,582.39/569,180.13 = 126,771.94/x
  3. Step 3: Cross multiply
    379,582.39x = 569,180.13 × 126,771.94
  4. Step 4: Simplify right side
    379,582.39x = 72,156,069,289.55
  5. Step 5: Solve for x
    x = 72,156,069,289.55/379,582.39
  6. Step 6: Final answer
    x = 190,093.30

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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.