Home / 432,232.67-648,445.40-132,743.48

Finding the Fourth Proportional to 432,232.67, 648,445.40 and 132,743.48

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Solution

The fourth proportional to 432,232.67, 648,445.40 and 132,743.48 is: 199,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,232.67 : 648,445.40 = 132,743.48 : x
  2. Step 2: Convert to fraction form
    432,232.67/648,445.40 = 132,743.48/x
  3. Step 3: Cross multiply
    432,232.67x = 648,445.40 × 132,743.48
  4. Step 4: Simplify right side
    432,232.67x = 86,076,895,577.84
  5. Step 5: Solve for x
    x = 86,076,895,577.84/432,232.67
  6. Step 6: Final answer
    x = 199,144.81

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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.