Home / 349,285.44-523,961.76-138,876.48

Finding the Fourth Proportional to 349,285.44, 523,961.76 and 138,876.48

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Solution

The fourth proportional to 349,285.44, 523,961.76 and 138,876.48 is: 208,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,285.44 : 523,961.76 = 138,876.48 : x
  2. Step 2: Convert to fraction form
    349,285.44/523,961.76 = 138,876.48/x
  3. Step 3: Cross multiply
    349,285.44x = 523,961.76 × 138,876.48
  4. Step 4: Simplify right side
    349,285.44x = 72,765,964,883.40
  5. Step 5: Solve for x
    x = 72,765,964,883.40/349,285.44
  6. Step 6: Final answer
    x = 208,328.08

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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.