Home / 432,524.49-648,589.10-132,900.63

Finding the Fourth Proportional to 432,524.49, 648,589.10 and 132,900.63

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Solution

The fourth proportional to 432,524.49, 648,589.10 and 132,900.63 is: 199,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,524.49 : 648,589.10 = 132,900.63 : x
  2. Step 2: Convert to fraction form
    432,524.49/648,589.10 = 132,900.63/x
  3. Step 3: Cross multiply
    432,524.49x = 648,589.10 × 132,900.63
  4. Step 4: Simplify right side
    432,524.49x = 86,197,899,336.63
  5. Step 5: Solve for x
    x = 86,197,899,336.63/432,524.49
  6. Step 6: Final answer
    x = 199,290.22

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1.5x scale

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.