Home / 345,738.60-519,045.30-185,941.80

Finding the Fourth Proportional to 345,738.60, 519,045.30 and 185,941.80

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Solution

The fourth proportional to 345,738.60, 519,045.30 and 185,941.80 is: 279,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,738.60 : 519,045.30 = 185,941.80 : x
  2. Step 2: Convert to fraction form
    345,738.60/519,045.30 = 185,941.80/x
  3. Step 3: Cross multiply
    345,738.60x = 519,045.30 × 185,941.80
  4. Step 4: Simplify right side
    345,738.60x = 96,512,217,363.54
  5. Step 5: Solve for x
    x = 96,512,217,363.54/345,738.60
  6. Step 6: Final answer
    x = 279,147.94

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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.