Home / 195,213.78-269,423.91-123,600.47

Finding the Fourth Proportional to 195,213.78, 269,423.91 and 123,600.47

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Solution

The fourth proportional to 195,213.78, 269,423.91 and 123,600.47 is: 170,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,213.78 : 269,423.91 = 123,600.47 : x
  2. Step 2: Convert to fraction form
    195,213.78/269,423.91 = 123,600.47/x
  3. Step 3: Cross multiply
    195,213.78x = 269,423.91 × 123,600.47
  4. Step 4: Simplify right side
    195,213.78x = 33,300,920,558.12
  5. Step 5: Solve for x
    x = 33,300,920,558.12/195,213.78
  6. Step 6: Final answer
    x = 170,586.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.