Home / 356,315.52-491,715.50-195,176.34

Finding the Fourth Proportional to 356,315.52, 491,715.50 and 195,176.34

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Solution

The fourth proportional to 356,315.52, 491,715.50 and 195,176.34 is: 269,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,315.52 : 491,715.50 = 195,176.34 : x
  2. Step 2: Convert to fraction form
    356,315.52/491,715.50 = 195,176.34/x
  3. Step 3: Cross multiply
    356,315.52x = 491,715.50 × 195,176.34
  4. Step 4: Simplify right side
    356,315.52x = 95,971,230,635.39
  5. Step 5: Solve for x
    x = 95,971,230,635.39/356,315.52
  6. Step 6: Final answer
    x = 269,343.39

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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.