Home / 251,636.56-347,144.03-149,604.13

Finding the Fourth Proportional to 251,636.56, 347,144.03 and 149,604.13

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Solution

The fourth proportional to 251,636.56, 347,144.03 and 149,604.13 is: 206,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,636.56 : 347,144.03 = 149,604.13 : x
  2. Step 2: Convert to fraction form
    251,636.56/347,144.03 = 149,604.13/x
  3. Step 3: Cross multiply
    251,636.56x = 347,144.03 × 149,604.13
  4. Step 4: Simplify right side
    251,636.56x = 51,934,180,839.77
  5. Step 5: Solve for x
    x = 51,934,180,839.77/251,636.56
  6. Step 6: Final answer
    x = 206,385.68

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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.